APA (7th ed.) Citation

Ledgard, H. F., & Cave, W. C. (1976). Cobol Under Control. Communications of the ACM, 19(11), 601. https://doi.org/10.1145/360363.360366

Chicago Style (17th ed.) Citation

Ledgard, Henry F., and William C. Cave. "Cobol Under Control." Communications of the ACM 19, no. 11 (1976): 601. https://doi.org/10.1145/360363.360366.

MLA (9th ed.) Citation

Ledgard, Henry F., and William C. Cave. "Cobol Under Control." Communications of the ACM, vol. 19, no. 11, 1976, p. 601, https://doi.org/10.1145/360363.360366.