Cita APA (7th ed.)

Calmette, J. (1956). Carlomagno (1a.ed.). Salvat.

Cita Chicago (17th ed.)

Calmette, Joseph. Carlomagno. 1a.ed. Barcelona: Salvat, 1956.

Cita MLA (9th ed.)

Calmette, Joseph. Carlomagno. 1a.ed. Salvat, 1956.