Cita APA (7a ed.)

Swartz, W. G. (1961). American governmental problems (2nd ed.). Van Nostand.

Cita Chicago Style (17a ed.)

Swartz, Willis G. American Governmental Problems. 2nd ed. Princeton, N.J.: Van Nostand, 1961.

Cita MLA (8a ed.)

Swartz, Willis G. American Governmental Problems. 2nd ed. Van Nostand, 1961.