The Penguin Roget's thesaurus of English words and phrases.
APA Citation
Roget, P. Mark., Lloyd, S. M. (19851982). The Penguin Roget's thesaurus of English words and phrases. New ed. completely rev., updated and abridged / New York, N.Y.: Penguin Books.
MLA Citation
Roget, Peter Mark, 1779-1869, and Susan M Lloyd. The Penguin Roget's Thesaurus of English Words And Phrases. New ed. completely rev., updated and abridged / New York, N.Y.: Penguin Books, 19851982.
Warning: These citations may not always be complete (especially for serials).