APA (7th ed.) Citation

Schön, M., Schrickel, H. G., & Ames, V. M. (1947). Understanding the world: An introduction to philosophy. Max Schoen, H[arry] G. Schrickel, Van Meter Ames. Harper.

Chicago Style (17th ed.) Citation

Schön, Max, Harry G. Schrickel, and Van Meter Ames. Understanding the World: An Introduction to Philosophy. Max Schoen, H[arry] G. Schrickel, Van Meter Ames. New York [usw.]: Harper, 1947.

MLA (8th ed.) Citation

Schön, Max, et al. Understanding the World: An Introduction to Philosophy. Max Schoen, H[arry] G. Schrickel, Van Meter Ames. Harper, 1947.