Cita APA (7a ed.)

Guyer, S., & Cosandey, J. (1950). Visages de Rome. Payot.

Cita Chicago Style (17a ed.)

Guyer, Samuel, y Jacques Cosandey. Visages De Rome. Lausanne: Payot, 1950.

Cita MLA (9a ed.)

Guyer, Samuel, y Jacques Cosandey. Visages De Rome. Payot, 1950.