Cita APA (7th ed.)

Portigliotti, G. (1928). The Borgias. Alexander VI.- Caesar.- Lucrezia. With fourteen illustrations (1a. ed.). George Allen & Unwin.

Cita Chicago (17th ed.)

Portigliotti, Giuseppe. The Borgias. Alexander VI.- Caesar.- Lucrezia. With Fourteen Illustrations. 1a. ed. Londres: George Allen & Unwin, 1928.

Cita MLA (9th ed.)

Portigliotti, Giuseppe. The Borgias. Alexander VI.- Caesar.- Lucrezia. With Fourteen Illustrations. 1a. ed. George Allen & Unwin, 1928.