APA (7th ed.) Citation

Ricci, C., & Stewart, H. C. (1927). Umbria santa. Oxford University Press.

Chicago Style (17th ed.) Citation

Ricci, Corrado, and H. C. Stewart. Umbria Santa. New York: Oxford University Press, 1927.

MLA (9th ed.) Citation

Ricci, Corrado, and H. C. Stewart. Umbria Santa. Oxford University Press, 1927.