Cita APA (7th ed.)
Holbach, P. H. T., Diderot, D., & Robinson, H. D. (2001). The System of nature: Or, Laws of the moral and physical world. Batoche.
Cita Chicago (17th ed.)
Holbach, Paul Henri Thiry, Denis Diderot, i H. D. Robinson. The System of Nature: Or, Laws of the Moral and Physical World. Kitchener, Ont.: Batoche, 2001.
Cita MLA (9th ed.)
Holbach, Paul Henri Thiry, et al. The System of Nature: Or, Laws of the Moral and Physical World. Batoche, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.