APA (7th ed.) Citation

Baudelaire, C., & Geffroy, G. (1925). Constantin Guys. Éditions Nilsson.

Chicago Style (17th ed.) Citation

Baudelaire, Charles, and Gustave Geffroy. Constantin Guys. Paris: Éditions Nilsson, 1925.

MLA (9th ed.) Citation

Baudelaire, Charles, and Gustave Geffroy. Constantin Guys. Éditions Nilsson, 1925.

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