Cita APA (7th ed.)

Current, R. N., Williams, T. H., Freidel, F., & Brownlee, W. E. (1977). The essentials of american history since 1865 (2a. ed.). Alfred A. Knopf.

Cita Chicago (17th ed.)

Current, Richard N., T. Harry Williams, Frank Freidel, i W. Elliot Brownlee. The Essentials of American History Since 1865. 2a. ed. Nueva York: Alfred A. Knopf, 1977.

Cita MLA (9th ed.)

Current, Richard N., et al. The Essentials of American History Since 1865. 2a. ed. Alfred A. Knopf, 1977.