APA (7th ed.) Citation

(1994). Principles of programming languages POPL'94: Conference record of 21st ACM SIGPLAN-SIGACT symposium Portland, Oregon, January 17-21, 1994. Association for Computing Machinery.

Chicago Style (17th ed.) Citation

Principles of Programming Languages POPL'94: Conference Record of 21st ACM SIGPLAN-SIGACT Symposium Portland, Oregon, January 17-21, 1994. New York: Association for Computing Machinery, 1994.

MLA (8th ed.) Citation

Principles of Programming Languages POPL'94: Conference Record of 21st ACM SIGPLAN-SIGACT Symposium Portland, Oregon, January 17-21, 1994. Association for Computing Machinery, 1994.

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