APA (7th ed.) Citation

Horace, Raffel, B., & Hynd, J. (1974). The art of poetry. State University of New York Press.

Chicago Style (17th ed.) Citation

Horace, Burton Raffel, and James Hynd. The Art of Poetry. Albany: State University of New York Press, 1974.

MLA (9th ed.) Citation

Horace, et al. The Art of Poetry. State University of New York Press, 1974.