APA (7th ed.) Citation

Gries, D., & Hirschsohn, I. (1970). AMESPLOT--A Higher Level Data Plotting Software System. Communications of the ACM, 13(9), 546.

Chicago Style (17th ed.) Citation

Gries, D., and Ian Hirschsohn. "AMESPLOT--A Higher Level Data Plotting Software System." Communications of the ACM 13, no. 9 (1970): 546.

MLA (9th ed.) Citation

Gries, D., and Ian Hirschsohn. "AMESPLOT--A Higher Level Data Plotting Software System." Communications of the ACM, vol. 13, no. 9, 1970, p. 546.