APA (7th ed.) Citation

Sickels, R. J. (1980). The presidency: An introduction. Prentice-Hall.

Chicago Style (17th ed.) Citation

Sickels, Robert J. The Presidency: An Introduction. Englewood Cliffs, NJ: Prentice-Hall, 1980.

MLA (9th ed.) Citation

Sickels, Robert J. The Presidency: An Introduction. Prentice-Hall, 1980.