Cita APA (7th ed.)

Hugo, V., & Hugo, V. (1880). Lettres. Hetzel ; Quantin.

Cita Chicago (17th ed.)

Hugo, Victor, i Victor Hugo. Lettres. Paris: Hetzel ; Quantin, 1880.

Cita MLA (8th ed.)

Hugo, Victor, i Victor Hugo. Lettres. Hetzel ; Quantin, 1880.