APA (7th ed.) Citation

Swartz, W. G. (1957). American governmental problems (2nd ed.). Van Nostrand.

Chicago Style (17th ed.) Citation

Swartz, Willis G. American Governmental Problems. 2nd ed. Princeton, New Jersey: Van Nostrand, 1957.

MLA (9th ed.) Citation

Swartz, Willis G. American Governmental Problems. 2nd ed. Van Nostrand, 1957.