APA (7th ed.) Citation

History of Programming Languages Conference & Wexelblat, R. L. (1981). History of programming languages. Academic Press.

Chicago Style (17th ed.) Citation

History of Programming Languages Conference and Richard L. Wexelblat. History of Programming Languages. New York [etc.]: Academic Press, 1981.

MLA (9th ed.) Citation

History of Programming Languages Conference and Richard L. Wexelblat. History of Programming Languages. Academic Press, 1981.