APA (7th ed.) Citation

Chafee, Z. (1941). Free speech in the United States. Harvard university press.

Chicago Style (17th ed.) Citation

Chafee, Zechariah. Free Speech in the United States. Cambridge, Mass: Harvard university press, 1941.

MLA (9th ed.) Citation

Chafee, Zechariah. Free Speech in the United States. Harvard university press, 1941.