APA (7th ed.) Citation

Groos, K., & Baldwin, E. L. (1913). The play of man. D. Appleton and Company.

Chicago Style (17th ed.) Citation

Groos, Karl, and Elizabeth L. Baldwin. The Play of Man. New York: D. Appleton and Company, 1913.

MLA (9th ed.) Citation

Groos, Karl, and Elizabeth L. Baldwin. The Play of Man. D. Appleton and Company, 1913.