APA (7th ed.) Citation

Martina, G. (1990). Pio IX. Univ. Gregoriana Ed.

Chicago Style (17th ed.) Citation

Martina, Giacomo. Pio IX. Roma: Univ. Gregoriana Ed, 1990.

MLA (9th ed.) Citation

Martina, Giacomo. Pio IX. Univ. Gregoriana Ed, 1990.

Warning: These citations may not always be 100% accurate.