APA-referens (7:e uppl.)

Palmer, E. (1802). Principles of nature: Or, A development of the moral causes of happiness and misery among the human species (The 2d ed.).

Chicago-referens (17:e uppl.)

Palmer, Elihu. Principles of Nature: Or, A Development of the Moral Causes of Happiness and Misery Among the Human Species. The 2d ed. New York, 1802.

MLA-referens (8:e uppl.)

Palmer, Elihu. Principles of Nature: Or, A Development of the Moral Causes of Happiness and Misery Among the Human Species. The 2d ed. 1802.