APA (7th ed.) Citation

Kirk, R. (1955). Academic freedom: An essay in definition. H. Regnery Co.

Chicago Style (17th ed.) Citation

Kirk, Russell. Academic Freedom: An Essay in Definition. Chicago: H. Regnery Co, 1955.

MLA (9th ed.) Citation

Kirk, Russell. Academic Freedom: An Essay in Definition. H. Regnery Co, 1955.