APA (7th ed.) Citation

Borchardt, D. H. (1968). How to find out in philosophy and psychology ([1st ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Borchardt, D. H. How to Find Out in Philosophy and Psychology. [1st ed.]. Oxford, New York: Pergamon Press, 1968.

MLA (9th ed.) Citation

Borchardt, D. H. How to Find Out in Philosophy and Psychology. [1st ed.]. Pergamon Press, 1968.