APA (7th ed.) Citation

Russell, R. M. (1978). The CRAY-1 Computer System. Communications of the ACM, 21(1), 63. https://doi.org/10.1145/359327.359336

Chicago Style (17th ed.) Citation

Russell, Richard M. "The CRAY-1 Computer System." Communications of the ACM 21, no. 1 (1978): 63. https://doi.org/10.1145/359327.359336.

MLA (9th ed.) Citation

Russell, Richard M. "The CRAY-1 Computer System." Communications of the ACM, vol. 21, no. 1, 1978, p. 63, https://doi.org/10.1145/359327.359336.