How do I cite a reference if the publication date is not known?
Cite a resource without a date by using (n.d.) to stand for "no date."
Web document: with author; no date
Reiter, P. (n.d.). Human ecology and human behavior: Climate change and health in perspective. Retrieved from http://www.csccc.info/reports/report_22.pdf
Paraphrase: (Reiter, n.d.). Quotation: (Reiter, n.d., para. 3)
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