Darwin, C., & Burrow, J. W. (1968). The origin of species: By means of natural selection or the preservation of favoured races in the struggle for life. Penguin Books.
Citação do estilo Chicago (17ª ed.)Darwin, Charles, e J. W. Burrow. The Origin of Species: By Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. Middlesex, England: Penguin Books, 1968.
Citação MLA (8ª ed.)Darwin, Charles, e J. W. Burrow. The Origin of Species: By Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. Penguin Books, 1968.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.