APA (7th ed.) Citation

Hains, G., & McColl, B. (1989). Parallel algorithms for free and associative-commutative unification.

Chicago Style (17th ed.) Citation

Hains, G., and B. McColl. Parallel Algorithms for Free and Associative-commutative Unification. 1989.

MLA (9th ed.) Citation

Hains, G., and B. McColl. Parallel Algorithms for Free and Associative-commutative Unification. 1989.

Warning: These citations may not always be 100% accurate.