APA

Darwin C., . (1888). The origin of species by means of natural selection, or the preservation of favoured races in the struggle for life. London, UK: John Murray.

Chicago

Darwin Charles, . 1888. The origin of species by means of natural selection, or the preservation of favoured races in the struggle for life. London, UK: John Murray.

Harvard

Darwin C., . (1888). The origin of species by means of natural selection, or the preservation of favoured races in the struggle for life. London, UK: John Murray.

MLA

Darwin Charles, . The origin of species by means of natural selection, or the preservation of favoured races in the struggle for life. London, UK: John Murray. 1888.