APA (7th ed.) Citation

Whitman, W., Folsom, E., & Price, K. M. (1997). Walt Whitman. Primary Source Media.

Chicago Style (17th ed.) Citation

Whitman, Walt, Ed Folsom, and Kenneth M. Price. Walt Whitman. Woodbridge, CT: Primary Source Media, 1997.

MLA (9th ed.) Citation

Whitman, Walt, et al. Walt Whitman. Primary Source Media, 1997.