APA (7th ed.) Citation

Purser, J. T., Warren, R. P., & Editor:Brooks, C. (1964). An approach to literature.

Chicago Style (17th ed.) Citation

Purser, John Thibaut, Robert Penn Warren, and Cleanth Editor:Brooks. An Approach to Literature. New York, 1964.

MLA (9th ed.) Citation

Purser, John Thibaut, et al. An Approach to Literature. 1964.