APA (7th ed.) Citation

Gelfond, M., & Leone, N. (2002). Logic programming and knowledge representation—The A-Prolog perspective. Artificial intelligence, 138(1), 3-38. https://doi.org/10.1016/S0004-3702(02)00207-2

Chicago Style (17th ed.) Citation

Gelfond, Michael, and Nicola Leone. "Logic Programming and Knowledge Representation—The A-Prolog Perspective." Artificial Intelligence 138, no. 1 (2002): 3-38. https://doi.org/10.1016/S0004-3702(02)00207-2.

MLA (9th ed.) Citation

Gelfond, Michael, and Nicola Leone. "Logic Programming and Knowledge Representation—The A-Prolog Perspective." Artificial Intelligence, vol. 138, no. 1, 2002, pp. 3-38, https://doi.org/10.1016/S0004-3702(02)00207-2.