APA Style

Kipfer, B, A., Roget, P, M. (1992). Roget's 21st century thesaurus in dictionary form : the essential reference for home, school, or office . London- New York Toronto: Dell Pub..

MLA Style

Kipfer, B., A.., Roget, P., M.. "Roget's 21st century thesaurus in dictionary form : the essential reference for home, school, or office". London- New York Toronto: Dell Pub., 1992. Text.