APA (7th ed.) Citation

Leiß, H., & Henglein, F. (1991). A decidable case of the semi-unification problem. CIS.

Chicago Style (17th ed.) Citation

Leiß, Hans, and Fritz Henglein. A Decidable Case of the Semi-unification Problem. München: CIS, 1991.

MLA (9th ed.) Citation

Leiß, Hans, and Fritz Henglein. A Decidable Case of the Semi-unification Problem. CIS, 1991.

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