APA-referens (7:e uppl.)

Wallace, A. R. (1878). Tropical nature and other eesays (1a. ed.). Macmillan and Co.

Chicago-referens (17:e uppl.)

Wallace, Alfred R. Tropical Nature and Other Eesays. 1a. ed. Londres: Macmillan and Co, 1878.

MLA-referens (9:e uppl.)

Wallace, Alfred R. Tropical Nature and Other Eesays. 1a. ed. Macmillan and Co, 1878.