APA (7th ed.) Citation

Vargas-Vera, M., Robertson, D., & Inder, R. (1993). Combining Prolog programs in a techniques editing system.

Chicago Style (17th ed.) Citation

Vargas-Vera, María, Dave Robertson, and Robert Inder. Combining Prolog Programs in a Techniques Editing System. Edinburgh, 1993.

MLA (9th ed.) Citation

Vargas-Vera, María, et al. Combining Prolog Programs in a Techniques Editing System. 1993.