APA (7th ed.) Citation

Merriam, C. E., & Gosnell, H. F. (1937). The American party system: An introduction to the study of political parties in the United States. MacMillan.

Chicago Style (17th ed.) Citation

Merriam, Charles Edward, and Harold Foote Gosnell. The American Party System: An Introduction to the Study of Political Parties in the United States. New York: MacMillan, 1937.

MLA (9th ed.) Citation

Merriam, Charles Edward, and Harold Foote Gosnell. The American Party System: An Introduction to the Study of Political Parties in the United States. MacMillan, 1937.