Citazione Stile APA (7a Edizione)

Hofstadter, R. (1964). Academic freedom in the age of the college (5th print.). Columbia University Press.

Citazione stile Chigago Style (17a edizione)

Hofstadter, Richard. Academic Freedom in the Age of the College. 5th print. New York ; London: Columbia University Press, 1964.

Citatione MLA (9a ed.)

Hofstadter, Richard. Academic Freedom in the Age of the College. 5th print. Columbia University Press, 1964.