APA (7th ed.) Citation

Gries, D., Gehani, N., & Wegbreit, B. (1977). Some Ideas on Data Types in High-Level Languages. Communications of the ACM, 20(6), 414. https://doi.org/10.1145/359605.359624

Chicago Style (17th ed.) Citation

Gries, David, Narain Gehani, and B. Wegbreit. "Some Ideas on Data Types in High-Level Languages." Communications of the ACM 20, no. 6 (1977): 414. https://doi.org/10.1145/359605.359624.

MLA (9th ed.) Citation

Gries, David, et al. "Some Ideas on Data Types in High-Level Languages." Communications of the ACM, vol. 20, no. 6, 1977, p. 414, https://doi.org/10.1145/359605.359624.