APA (7th ed.) Citation

NetLibrary, Inc, & Fellbaum, C. (1999). WordNet: An electronic lexical database (2nd printing.). MIT Press.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, and Christiane Fellbaum. WordNet: An Electronic Lexical Database. 2nd printing. Cambridge, Mass: MIT Press, 1999.

MLA (9th ed.) Citation

NetLibrary, Inc, and Christiane Fellbaum. WordNet: An Electronic Lexical Database. 2nd printing. MIT Press, 1999.

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