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APA – Citing Sources

Unknown author

If the author of a work is missing include to title and year of publication in the in-text citation. Note that the title also takes the author's place in the reference list. Use quotation marks around the articles and book chapters Italicize book titles, periodicals, brochures or reports. 



  • ("Scientific Principles", 2021)


  • (The Word, 2004)

Read more about this on APA style: Missing Reference Information