Cita APA (7a ed.)

Whitman, W., & Daugherty, J. (1964). Walt Whitman's America. The World Publishing.

Cita Chicago Style (17a ed.)

Whitman, Walt, y James Daugherty. Walt Whitman's America. Cleveland: The World Publishing, 1964.

Cita MLA (9a ed.)

Whitman, Walt, y James Daugherty. Walt Whitman's America. The World Publishing, 1964.