Style de citation APA (7e éd.)

Schutz, A., Voegelin, E., Wagner, G., Petropulos, W., & Weiss, G. (2011). A Friendship That Lasted a Lifetime: The Correspondence Between Alfred Schutz and Eric Voegelin. University of Missouri Press.

Style de citation Chicago (17e éd.)

Schutz, Alfred, Eric Voegelin, Gerhard Wagner, William Petropulos, et Gilbert Weiss. A Friendship That Lasted a Lifetime: The Correspondence Between Alfred Schutz and Eric Voegelin. Columbia, Mo.: University of Missouri Press, 2011.

Style de citation MLA (8e éd.)

Schutz, Alfred, et al. A Friendship That Lasted a Lifetime: The Correspondence Between Alfred Schutz and Eric Voegelin. University of Missouri Press, 2011.