APA (7th ed.) Citation

Brion, M., Boucourechliev, A., & Buenzod, E. (1970). Schumann. Hachette.

Chicago Style (17th ed.) Citation

Brion, Marcel, André Boucourechliev, and Emmanuel Buenzod. Schumann. Paris: Hachette, 1970.

MLA (8th ed.) Citation

Brion, Marcel, et al. Schumann. Hachette, 1970.