APA (7th ed.) Citation

Current, R. N., Williams, T. H., Freidel, F., & Brownlee, W. E. (1977). The essentials of american history to 1877 (2a. ed.). Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Current, Richard N., T. Harry Williams, Frank Freidel, and W. Elliot Brownlee. The Essentials of American History to 1877. 2a. ed. Nueva York: Alfred A. Knopf, 1977.

MLA (9th ed.) Citation

Current, Richard N., et al. The Essentials of American History to 1877. 2a. ed. Alfred A. Knopf, 1977.