APA
Gonnet G. H., Association for Computing Machinery & ACM Special Interest Group on Symbolic and Algebraic Manipulation. (1989). Proceedings of the ACM-SIGSAM 1989 international symposium on Symbolic and algebraic computation. New York, NY: ACM.
Chicago
Gonnet Gastón H, Association for Computing Machinery and ACM Special Interest Group on Symbolic and Algebraic Manipulation. 1989. Proceedings of the ACM-SIGSAM 1989 international symposium on Symbolic and algebraic computation. New York, NY: ACM.
Harvard
Gonnet G. H., Association for Computing Machinery and ACM Special Interest Group on Symbolic and Algebraic Manipulation. (1989). Proceedings of the ACM-SIGSAM 1989 international symposium on Symbolic and algebraic computation. New York, NY: ACM.
MLA
Gonnet Gastón H, Association for Computing Machinery and ACM Special Interest Group on Symbolic and Algebraic Manipulation. Proceedings of the ACM-SIGSAM 1989 international symposium on Symbolic and algebraic computation. New York, NY: ACM. 1989.