APA (7th ed.) Citation

Frohnen, B., Beer, J., & Nelson, J. O. (2006). American conservatism: An encyclopedia. ISI Books.

Chicago Style (17th ed.) Citation

Frohnen, Bruce, Jeremy Beer, and Jeffrey O. Nelson. American Conservatism: An Encyclopedia. Wilmington, Delaware: ISI Books, 2006.

MLA (9th ed.) Citation

Frohnen, Bruce, et al. American Conservatism: An Encyclopedia. ISI Books, 2006.