APA (7th ed.) Citation

Watt, D. A., & Thomas, M. (1991). Programming language syntax and semantics. Prentice-Hall.

Chicago Style (17th ed.) Citation

Watt, David A., and Muffy Thomas. Programming Language Syntax and Semantics. New York [etc.]: Prentice-Hall, 1991.

MLA (9th ed.) Citation

Watt, David A., and Muffy Thomas. Programming Language Syntax and Semantics. Prentice-Hall, 1991.