APA (7th ed.) Citation

Urdang, L. (1985). The basic book of synomyms and antonyms. Penguin books.

Chicago Style (17th ed.) Citation

Urdang, Laurence. The Basic Book of Synomyms and Antonyms. New York: Penguin books, 1985.

MLA (9th ed.) Citation

Urdang, Laurence. The Basic Book of Synomyms and Antonyms. Penguin books, 1985.

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