APA (7th ed.) Citation

Martina, G., Pius IX. Papst, & Leopold II. Toskana, G. (1967). Pio IX e Leopoldo II. Miscellanea historiae pontificiae.

Chicago Style (17th ed.) Citation

Martina, Giacomo, Pius IX. Papst, and Großherzog Leopold II. Toskana. "Pio IX E Leopoldo II." Miscellanea Historiae Pontificiae 1967.

MLA (9th ed.) Citation

Martina, Giacomo, et al. "Pio IX E Leopoldo II." Miscellanea Historiae Pontificiae, 1967.

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