APA (7th ed.) Citation

Townsend. (1987). Introduction to Turbo prolog. Sybex.

Chicago Style (17th ed.) Citation

Townsend. Introduction to Turbo Prolog. Berkeley: Sybex, 1987.

MLA (8th ed.) Citation

Townsend. Introduction to Turbo Prolog. Sybex, 1987.

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