APA (7th ed.) Citation

Graham, R. L. (1984). THE LEGAL PROTECTION OF COMPUTER SOFTWARE. Communications of the ACM, 27(5), 422. https://doi.org/10.1145/358189.358064

Chicago Style (17th ed.) Citation

Graham, Robert L. "THE LEGAL PROTECTION OF COMPUTER SOFTWARE." Communications of the ACM 27, no. 5 (1984): 422. https://doi.org/10.1145/358189.358064.

MLA (9th ed.) Citation

Graham, Robert L. "THE LEGAL PROTECTION OF COMPUTER SOFTWARE." Communications of the ACM, vol. 27, no. 5, 1984, p. 422, https://doi.org/10.1145/358189.358064.