APA (7th ed.) Citation

Ince, D. C., & Robson, K. (1980). Algol 68 based algebraic manipulation system. Software: Practice & Experience, 10, 427.

Chicago Style (17th ed.) Citation

Ince, D. C., and K. Robson. "Algol 68 Based Algebraic Manipulation System." Software: Practice & Experience 10 (1980): 427.

MLA (9th ed.) Citation

Ince, D. C., and K. Robson. "Algol 68 Based Algebraic Manipulation System." Software: Practice & Experience, vol. 10, 1980, p. 427.