APA (7th ed.) Citation

WIELEMAKER, J., SCHRIJVERS, T., TRISKA, M., & LAGER, T. (2012). SWI-Prolog. Theory & Practice of Logic Programming, 12(1/2), 67. https://doi.org/10.1017/S1471068411000494

Chicago Style (17th ed.) Citation

WIELEMAKER, JAN, TOM SCHRIJVERS, MARKUS TRISKA, and TORBJÖRN LAGER. "SWI-Prolog." Theory & Practice of Logic Programming 12, no. 1/2 (2012): 67. https://doi.org/10.1017/S1471068411000494.

MLA (9th ed.) Citation

WIELEMAKER, JAN, et al. "SWI-Prolog." Theory & Practice of Logic Programming, vol. 12, no. 1/2, 2012, p. 67, https://doi.org/10.1017/S1471068411000494.