Wallace, A. R. (1891). Natural selection : and, Tropical nature : essays on descriptive and theoretical biology: And, Tropical nature : essays on descriptive and theoretical biology (Rev. ed.). Macmillan.
Chicago Edition CitationWallace, Alfred Russel. Natural Selection : And, Tropical Nature : Essays on Descriptive and Theoretical Biology: And, Tropical Nature : Essays on Descriptive and Theoretical Biology. Rev. ed. London: Macmillan, 1891.
MLA Edition CitationWallace, Alfred Russel. Natural Selection : And, Tropical Nature : Essays on Descriptive and Theoretical Biology: And, Tropical Nature : Essays on Descriptive and Theoretical Biology. Rev. ed. Macmillan, 1891.
Warning: These citations may not always be 100% accurate.