APA

Friedman F. L., Association for Computing Machinery, . (1984). Proceedings of the ACM 12th annual computer science conference on SIGCSE symposium. New York, NY: ACM.

Chicago

Friedman Frank L, Association for Computing Machinery, . 1984. Proceedings of the ACM 12th annual computer science conference on SIGCSE symposium. New York, NY: ACM.

Harvard

Friedman F. L., Association for Computing Machinery, . (1984). Proceedings of the ACM 12th annual computer science conference on SIGCSE symposium. New York, NY: ACM.

MLA

Friedman Frank L, Association for Computing Machinery, . Proceedings of the ACM 12th annual computer science conference on SIGCSE symposium. New York, NY: ACM. 1984.