Cita APA (7a ed.)

Lloyd, J. W. (1993). Foundations of logic programming (2nd extended ed.). Springer.

Cita Chicago Style (17a ed.)

Lloyd, J. W. Foundations of Logic Programming. 2nd extended ed. Berlin [etc.]: Springer, 1993.

Cita MLA (9a ed.)

Lloyd, J. W. Foundations of Logic Programming. 2nd extended ed. Springer, 1993.