APA (7th ed.) Citation

Gregorio Magno, S. c. 5., & Barra, G. (1947). Quaranta omelie sui Vangeli. U.T.E.T.

Chicago Style (17th ed.) Citation

Gregorio Magno, Santo ca. 540-604, and Giovanni Barra. Quaranta Omelie Sui Vangeli. Torino: U.T.E.T, 1947.

MLA (9th ed.) Citation

Gregorio Magno, Santo ca. 540-604, and Giovanni Barra. Quaranta Omelie Sui Vangeli. U.T.E.T, 1947.

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