Cita APA (7a ed.)

Courbet, G., & Léger, C. (1934). Courbet. Braun & Cie.

Cita Chicago Style (17a ed.)

Courbet, Gustave, y Charles Léger. Courbet. Paris: Braun & Cie, 1934.

Cita MLA (9a ed.)

Courbet, Gustave, y Charles Léger. Courbet. Braun & Cie, 1934.