APA (7th ed.) Citation

Howe, G., Harrer, G. A., & Suskin, A. (1959). Roman literature in translation. Harper.

Chicago Style (17th ed.) Citation

Howe, George, Gustave Adolphus Harrer, and Albert Suskin. Roman Literature in Translation. New York: Harper, 1959.

MLA (9th ed.) Citation

Howe, George, et al. Roman Literature in Translation. Harper, 1959.