APA (7th ed.) Citation

Clocksin, W. F., & Mellish, C. S. (1985). Programming in Prolog (2nd ed.). Springer-Verlag.

Chicago Style (17th ed.) Citation

Clocksin, W. F., and C. S. Mellish. Programming in Prolog. 2nd ed. Berlin: Springer-Verlag, 1985.

MLA (9th ed.) Citation

Clocksin, W. F., and C. S. Mellish. Programming in Prolog. 2nd ed. Springer-Verlag, 1985.