Roget, P. M. (1977). Roget's international thesaurus (4th ed.).
Chicago Style (17th ed.) CitationRoget, Peter Mark. Roget's International Thesaurus. 4th ed. Thomas Y Cromwell, 1977.
MLA (9th ed.) CitationRoget, Peter Mark. Roget's International Thesaurus. 4th ed. 1977.
Warning: These citations may not always be 100% accurate.