APA (7th ed.) Citation

Groos, R., & Truc, G. (1934). Les lettres. Denoël et Steele.

Chicago Style (17th ed.) Citation

Groos, René, and Gonzague Truc. Les Lettres. Paris: Denoël et Steele, 1934.

MLA (9th ed.) Citation

Groos, René, and Gonzague Truc. Les Lettres. Denoël et Steele, 1934.

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