APA (7th ed.) Citation

Hill, A. A. (1969). Linguistics. Voice of American Forum Lectures.

Chicago Style (17th ed.) Citation

Hill, Archibald A. Linguistics. Washington, D.C: Voice of American Forum Lectures, 1969.

MLA (9th ed.) Citation

Hill, Archibald A. Linguistics. Voice of American Forum Lectures, 1969.