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Books & Journals

Give in parentheses the year the work was published.

Levy, S. (2011). In the plex: How Google thinks, works, and shapes our lives. Simon & Schuster.

No Date

If no date is available write (n.d.). in parentheses.

Heuristic. (n.d.). In Merriam-Webster’s online dictionary (11th ed.). http://www.m-w.com/dictionary/heuristic

Citation (“Heuristic,” n.d., para. 1).

Retrieval Dates

Do not include retrieval dates unless the source material material may change over time (e.g., Wikis^[1])

Bank Street College of Education (n.d.). In Wikipedia. Retrieved December 2, 2016, from https://en.wikipedia.org/wiki/Bank_Street_College_of_Education

Updated or Reviewed

If an online webpage has been clearly labeled as updated, use that date. Do not use a date that says reviewed (the content many not have been changed).

(American Psychological Association, 2020, pp. 289-291, 352)