APA (7th ed.) Citation

Philbrick, A. K. (1963). This human world. Wiley.

Chicago Style (17th ed.) Citation

Philbrick, Allen Kellogg. This Human World. New York: Wiley, 1963.

MLA (9th ed.) Citation

Philbrick, Allen Kellogg. This Human World. Wiley, 1963.