Citazione Stile APA (7a Edizione)
van Heerden, P. J. (1968). The Foundation of Empirical Knowledge with a Theory of Artificial Intelligence. NV Uitgeverij Wistik.
Citazione stile Chigago Style (17a edizione)
van Heerden, Pieter J. The Foundation of Empirical Knowledge with a Theory of Artificial Intelligence. Wassenaar: NV Uitgeverij Wistik, 1968.
Citatione MLA (9a ed.)
van Heerden, Pieter J. The Foundation of Empirical Knowledge with a Theory of Artificial Intelligence. NV Uitgeverij Wistik, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.