APA (7th ed.) Citation

Townsend, C. (1987). Introduction to Turbo Prolog. Sybex, Inc.

Chicago Style (17th ed.) Citation

Townsend, Carl. Introduction to Turbo Prolog. Sybex, Inc, 1987.

MLA (8th ed.) Citation

Townsend, Carl. Introduction to Turbo Prolog. Sybex, Inc, 1987.

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