APA Edition Citation

Whitman, W. . .., Doren, M. V., & Cowley, M. (2002). Portable Walt Whitman. Viking.

Chicago Edition Citation

Whitman, Walt ., Mark Van Doren, and Malcolm Cowley. Portable Walt Whitman. London: Viking, 2002.

MLA Edition Citation

Whitman, Walt ., et al. Portable Walt Whitman. Viking, 2002.