Kipfer, B. A. (1993). Roget's 21st century thesaurus. New York: The Philip Lief Group.
Chicago Style CitationKipfer, Barbara Ann. Roget's 21st Century Thesaurus. New York: The Philip Lief Group, 1993.
MLA CitationKipfer, Barbara Ann. Roget's 21st Century Thesaurus. New York: The Philip Lief Group, 1993.
Warning: These citations may not always be 100% accurate.