Cita APA (7a ed.)

Psichari, E., Psichari, H., & Claudel, P. (1947). Lettres du centurion. Louis Conard.

Cita Chicago Style (17a ed.)

Psichari, Ernest, Henriette Psichari, y Paul Claudel. Lettres Du Centurion. Paris: Louis Conard, 1947.

Cita MLA (9a ed.)

Psichari, Ernest, et al. Lettres Du Centurion. Louis Conard, 1947.