APA (7th ed.) Citation

Luyten, N. A., Portmann, A., Jaspers, K., & Barth, K. (1957). Unsterblichkeit. Reinhardt.

Chicago Style (17th ed.) Citation

Luyten, Norbert A., Adolf Portmann, Karl Jaspers, and Karl Barth. Unsterblichkeit. Basel: Reinhardt, 1957.

MLA (8th ed.) Citation

Luyten, Norbert A., et al. Unsterblichkeit. Reinhardt, 1957.

Warning: These citations may not always be 100% accurate.