Cita APA

Welch, S., Basehart, H., Comer, J., Gruhl, J., & Steinman, M. (1991). Understanding American Government. Minneapolis, Minnesotta US: West Publishing Company.

Citación estilo Chicago

Welch, Susan, Harry Basehart, John Comer, John Gruhl, y Michael Steinman. Understanding American Government. Minneapolis, Minnesotta US: West Publishing Company, 1991.

Cita MLA

Welch, Susan, et al. Understanding American Government. Minneapolis, Minnesotta US: West Publishing Company, 1991.