APA (7th ed.) Citation

Curie, E., Barrès, P., De Roussy de Sales, R., Dekay, D., & Dekay, D. (1941). They speak for a nation: Letters from France. Doubleday, Doran and Co..

Chicago Style (17th ed.) Citation

Curie, Eve, Philippe Barrès, Raoul De Roussy de Sales, Drake Dekay, and Denise Dekay. They Speak for a Nation: Letters from France. Garden City, N.Y.: Doubleday, Doran and Co., 1941.

MLA (9th ed.) Citation

Curie, Eve, et al. They Speak for a Nation: Letters from France. Doubleday, Doran and Co., 1941.