Citazione Stile APA (7a Edizione)

Seppelt, F. X., Loffler, C., & Frommelt, H. A. (1932). A short history of the popes: Based on the latest researches (1a. ed.). B. Herder Book Co.

Citazione stile Chigago Style (17a edizione)

Seppelt, Francis X., Clement Loffler, e Horace A. Frommelt. A Short History of the Popes: Based on the Latest Researches. 1a. ed. Saint Louis: B. Herder Book Co, 1932.

Citatione MLA (9a ed.)

Seppelt, Francis X., et al. A Short History of the Popes: Based on the Latest Researches. 1a. ed. B. Herder Book Co, 1932.