APA (7th ed.) Citation

Conway, R. W., Gries, D., & Zimmerman, E. C. (1981). A primer on PASCAL (2nd ed.).

Chicago Style (17th ed.) Citation

Conway, Richard Walter, David Gries, and E. C. Zimmerman. A Primer on PASCAL. 2nd ed. 1981.

MLA (9th ed.) Citation

Conway, Richard Walter, et al. A Primer on PASCAL. 2nd ed. 1981.