Cita APA (7a ed.)

Welch, S. (2004). American government (9. ed.). Wadsworth.

Cita Chicago Style (17a ed.)

Welch, Susan. American Government. 9. ed. Belmont, Calif: Wadsworth, 2004.

Cita MLA (9a ed.)

Welch, Susan. American Government. 9. ed. Wadsworth, 2004.