Cita APA (7a ed.)

Bloch, E., Rolland, R., & Tappy, J. (1984). Lettres, 1911-1933. Editions Payot.

Cita Chicago Style (17a ed.)

Bloch, Ernest, Romain Rolland, y José-Flore Tappy. Lettres, 1911-1933. Lausanne: Editions Payot, 1984.

Cita MLA (9a ed.)

Bloch, Ernest, et al. Lettres, 1911-1933. Editions Payot, 1984.