APA (7th ed.) Citation

Lewis, N. (1986). The new Roget's thesaurus in dictionary form (21st print.). Berkley Books.

Chicago Style (17th ed.) Citation

Lewis, Norman. The New Roget's Thesaurus in Dictionary Form. 21st print. New York: Berkley Books, 1986.

MLA (9th ed.) Citation

Lewis, Norman. The New Roget's Thesaurus in Dictionary Form. 21st print. Berkley Books, 1986.

Warning: These citations may not always be 100% accurate.