APA (7th ed.) Citation

Lucas Jr., H. C., Sutton, J. A., & Morgan, H. (1977). The Stage Hypothesis and the S-Curve: Some Contradictory Evidence. Communications of the ACM, 20(4), 254. https://doi.org/10.1145/359461.359472

Chicago Style (17th ed.) Citation

Lucas Jr., Henry C., Jimmy A. Sutton, and H. Morgan. "The Stage Hypothesis and the S-Curve: Some Contradictory Evidence." Communications of the ACM 20, no. 4 (1977): 254. https://doi.org/10.1145/359461.359472.

MLA (9th ed.) Citation

Lucas Jr., Henry C., et al. "The Stage Hypothesis and the S-Curve: Some Contradictory Evidence." Communications of the ACM, vol. 20, no. 4, 1977, p. 254, https://doi.org/10.1145/359461.359472.