APA (7th ed.) Citation

Collins, G. E. (1966). PM, A System for Polynomial Manipulation. Communications of the ACM, 9(8), 578. https://doi.org/10.1145/365758.365770

Chicago Style (17th ed.) Citation

Collins, G. E. "PM, A System for Polynomial Manipulation." Communications of the ACM 9, no. 8 (1966): 578. https://doi.org/10.1145/365758.365770.

MLA (9th ed.) Citation

Collins, G. E. "PM, A System for Polynomial Manipulation." Communications of the ACM, vol. 9, no. 8, 1966, p. 578, https://doi.org/10.1145/365758.365770.