APA (7th ed.) Citation

Hélin, M., & Snow, J. C. (1949). A history of medieval latin literature. William Salloch.

Chicago Style (17th ed.) Citation

Hélin, Maurice, and Jean Chapman Snow. A History of Medieval Latin Literature. New York: William Salloch, 1949.

MLA (9th ed.) Citation

Hélin, Maurice, and Jean Chapman Snow. A History of Medieval Latin Literature. William Salloch, 1949.