APA (7th ed.) Citation

Whitman, W., Levin, J., & Burke, J. (1997). Walt Whitman. Sterling Pub.

Chicago Style (17th ed.) Citation

Whitman, Walt, Jonathan Levin, and Jim Burke. Walt Whitman. New York: Sterling Pub, 1997.

MLA (9th ed.) Citation

Whitman, Walt, et al. Walt Whitman. Sterling Pub, 1997.