APA (7th ed.) Citation

Balzani, U. (1901). The popes and the Hohenstaufen. Longmans, Green, and co.

Chicago Style (17th ed.) Citation

Balzani, Ugo. The Popes and the Hohenstaufen. London, New York, Bombay: Longmans, Green, and co, 1901.

MLA (9th ed.) Citation

Balzani, Ugo. The Popes and the Hohenstaufen. Longmans, Green, and co, 1901.

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