APA (7th ed.) Citation

Eucken, R., & Jones, W. T. (1914). Knowledge and life. G. P. Putnam's sons.

Chicago Style (17th ed.) Citation

Eucken, Rudolf, and W. Tudor Jones. Knowledge and Life. New York: G. P. Putnam's sons, 1914.

MLA (9th ed.) Citation

Eucken, Rudolf, and W. Tudor Jones. Knowledge and Life. G. P. Putnam's sons, 1914.