APA (7th ed.) Citation

Kleinknecht, A., & Peyer, E. d. (1971). Esprit. Labor et Fides.

Chicago Style (17th ed.) Citation

Kleinknecht, A., and Etienne de Peyer. Esprit. Genève: Labor et Fides, 1971.

MLA (9th ed.) Citation

Kleinknecht, A., and Etienne de Peyer. Esprit. Labor et Fides, 1971.

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