APA (7th ed.) Citation

Yerkes, R. M. (1921). Memoirs of the National Academy of Sciences, vol xv: Psychological examining in the United States Army. Washington Government Printing Office.

Chicago Style (17th ed.) Citation

Yerkes, Robert M. Memoirs of the National Academy of Sciences, Vol Xv: Psychological Examining in the United States Army. Washington, DC: Washington Government Printing Office, 1921.

MLA (9th ed.) Citation

Yerkes, Robert M. Memoirs of the National Academy of Sciences, Vol Xv: Psychological Examining in the United States Army. Washington Government Printing Office, 1921.