Cita APA (7a ed.)

Kennedy, J. F., Gardner, J. W., & Sandburg, C. (1962). To turn the tide. Harper.

Cita Chicago Style (17a ed.)

Kennedy, John F., John W. Gardner, y Carl Sandburg. To Turn the Tide. New York: Harper, 1962.

Cita MLA (9a ed.)

Kennedy, John F., et al. To Turn the Tide. Harper, 1962.