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How to Cite a PDF in APA, MLA and Chicago
A PDF is a file format, not a source type. Learn how to identify what your PDF really is, then cite it correctly in APA 7, MLA 9 and Chicago with examples.
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Guias práticos para escrever com clareza, usar IA com honestidade e mandar e-mails que recebem resposta.
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How to Cite a Poem in MLA, APA and Chicago (With Line Numbers)
How to cite and quote poems in MLA 9, APA 7 and Chicago: works-cited entries, line numbers, slashes for line breaks, block quotes and poems found online.
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How to Cite a PowerPoint Presentation in APA, MLA and Chicago
Reference formats and in-text citations for PowerPoint slides in APA 7, MLA 9 and Chicago, including course slides, public slide decks and conference talks.
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How to Cite a YouTube Video in APA, MLA and Chicago
Cite a YouTube video correctly in APA 7, MLA 9 and Chicago: who counts as the author, how to format the title and date, and how to add timestamps in-text.
E-mails
How to Confirm Receipt of an Email (5 Samples & Templates)
When and how to confirm you received an email, documents or a payment, what to say beyond 'received', and five short acknowledgment samples you can copy.
IA
How to Detect Humanized AI Content: Signs Beyond the Score
Humanized AI text can look natural to a detector. Learn the signs that remain, how to check substance and sources, and how to review fairly.
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How to Do an In-Text Citation With No Author (APA and MLA)
When a source has no author, cite it by title. See APA 7th and MLA 9th in-text examples for web pages, articles, reports and group authors.
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How to Do Footnotes: Chicago Format, Examples and Word Steps
How to write and insert footnotes: Chicago full and shortened notes, numbering and placement rules, ibid., and steps for Word and Google Docs.
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How to End an Email: Closing Lines and Sign-Offs That Work
How to end an email well: a clear closing line, the right sign-off, a clean signature, and examples for formal, work, academic and casual emails.
IA
How to Fix AI Plagiarism: Rewrite, Cite, and Disclose AI Use
Fix unattributed AI-assisted text the right way: rewrite it in your own words, add real sources, and disclose AI use where your rules require it.
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How to Include a Page Number in a Citation (APA and MLA)
Where the page number goes in APA 7th and MLA 9th citations, how to cite page ranges, and what to use when a source has no pages at all.
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How to Increase Word Count Without Padding Your Essay
Short on words? Add evidence, examples, counterarguments and analysis that make your essay stronger, not longer for its own sake. Practical steps inside.