APA (7th ed.) Citation

Gide, A., & Shackleton, M. (1958). La porte étroite. Harrap.

Chicago Style (17th ed.) Citation

Gide, André, and M. Shackleton. La Porte étroite. London: Harrap, 1958.

MLA (8th ed.) Citation

Gide, André, and M. Shackleton. La Porte étroite. Harrap, 1958.

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