APA (7th ed.) Citation

Gabriel, R. P., White, J. L., & Bobrow, D. G. (1991). CLOS: Integrating Object-Oriented and Functional Programming. Communications of the ACM, 34(9), 28. https://doi.org/10.1145/114669.114671

Chicago Style (17th ed.) Citation

Gabriel, Richard P., Jon L. White, and Daniel G. Bobrow. "CLOS: Integrating Object-Oriented and Functional Programming." Communications of the ACM 34, no. 9 (1991): 28. https://doi.org/10.1145/114669.114671.

MLA (9th ed.) Citation

Gabriel, Richard P., et al. "CLOS: Integrating Object-Oriented and Functional Programming." Communications of the ACM, vol. 34, no. 9, 1991, p. 28, https://doi.org/10.1145/114669.114671.