Roget's Thesaurus of English words and phrases.
APA Citation
Roget, P. Mark., Lloyd, S. M. (1982). Roget's Thesaurus of English words and phrases. New ed. / Harlow, Essex: Longman.
MLA Citation
Roget, Peter Mark, 1779-1869, and Susan M Lloyd. Roget's Thesaurus of English Words And Phrases. New ed. / Harlow, Essex: Longman, 1982.
Warning: These citations may not always be complete (especially for serials).