Cita APA (7th ed.)

Lammers, W. W. (1976). Presidential politics: Patterns and prospects. Harper & Row.

Cita Chicago (17th ed.)

Lammers, William W. Presidential Politics: Patterns and Prospects. New York: Harper & Row, 1976.

Cita MLA (8th ed.)

Lammers, William W. Presidential Politics: Patterns and Prospects. Harper & Row, 1976.