Cita APA (7a ed.)

Caughey, J. W., Franklin, J. H., & May, E. R. (1966). Land of the free: A history of the United States (1. ed., revised.). Benziger.

Cita Chicago Style (17a ed.)

Caughey, John Walton, John Hope Franklin, y Ernest R. May. Land of the Free: A History of the United States. 1. ed., revised. New York: Benziger, 1966.

Cita MLA (9a ed.)

Caughey, John Walton, et al. Land of the Free: A History of the United States. 1. ed., revised. Benziger, 1966.