APA Citation

Roget, P. M., & Chapman, R. L. (1988). Roget's international thesaurus (4th ed.). London: Collins.

Chicago Style Citation

Roget, Peter Mark, and Robert L. Chapman. Roget's International Thesaurus. 4th ed. London: Collins, 1988.

MLA Citation

Roget, Peter Mark, and Robert L. Chapman. Roget's International Thesaurus. 4th ed. London: Collins, 1988.

Warning: These citations may not always be 100% accurate.