APA (7th ed.) Citation

Whitman, W., Powell, L. C., & Romano, C. (1971). Poems of Walt Whitman. Thomas Y. Crowell Company.

Chicago Style (17th ed.) Citation

Whitman, Walt, Lawrence Clark Powell, and Clare Romano. Poems of Walt Whitman. New York: Thomas Y. Crowell Company, 1971.

MLA (8th ed.) Citation

Whitman, Walt, et al. Poems of Walt Whitman. Thomas Y. Crowell Company, 1971.