Cita APA (7a ed.)

Welch, S. (1999). Understanding American government (5th ed.). West-Wadsworth.

Cita Chicago Style (17a ed.)

Welch, Susan. Understanding American Government. 5th ed. Belmont [etc.]: West-Wadsworth, 1999.

Cita MLA (9a ed.)

Welch, Susan. Understanding American Government. 5th ed. West-Wadsworth, 1999.