Cita APA (7th ed.)

Vaughan, H. M. (1908). The Medici popes (Leo X and Clement VII). Methuen.

Cita Chicago (17th ed.)

Vaughan, Herbert M. The Medici Popes (Leo X and Clement VII). Lond.: Methuen, 1908.

Cita MLA (8th ed.)

Vaughan, Herbert M. The Medici Popes (Leo X and Clement VII). Methuen, 1908.