APA (7th ed.) Citation

Hofstadter, R., & Metzger, W. P. (1955). The development of academic freedom in the United States. Columbia Univ. Press.

Chicago Style (17th ed.) Citation

Hofstadter, Richard, and Walter P. Metzger. The Development of Academic Freedom in the United States. New York: Columbia Univ. Press, 1955.

MLA (9th ed.) Citation

Hofstadter, Richard, and Walter P. Metzger. The Development of Academic Freedom in the United States. Columbia Univ. Press, 1955.