Cita APA (7th ed.)

welch, s. .. a. (1990). American government. West Pub. Co..

Cita Chicago (17th ed.)

welch, susan ...[et. al]. American Government. Saint Paul: West Pub. Co., 1990.

Cita MLA (9th ed.)

welch, susan ...[et. al]. American Government. West Pub. Co., 1990.