APA (7th ed.) Citation

Gide, A., & Bussy, D. (1952). Strait is the gate and the vatican cellars. Penguin Books.

Chicago Style (17th ed.) Citation

Gide, Andre, and Dorothy Bussy. Strait Is the Gate and the Vatican Cellars. London: Penguin Books, 1952.

MLA (9th ed.) Citation

Gide, Andre, and Dorothy Bussy. Strait Is the Gate and the Vatican Cellars. Penguin Books, 1952.