APA (7th ed.) Citation

Engelmann, H., & Ferrier, F. (1966). Romano Guardini. Fleurus.

Chicago Style (17th ed.) Citation

Engelmann, Henri, and Francis Ferrier. Romano Guardini. Paris: Fleurus, 1966.

MLA (9th ed.) Citation

Engelmann, Henri, and Francis Ferrier. Romano Guardini. Fleurus, 1966.

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