Cita APA

Ayala, F. J., & Fitch, W. M. (1997). Genetics and the origin of species: An introduction. The National Academy of Sciences of the USA.

Citación estilo Chicago

Ayala, Francisco J., and Walter M. Fitch. Genetics and the Origin of Species: An introduction. The National Academy of Sciences of the USA, 1997.

Cita MLA

Ayala, Francisco J., and Walter M. Fitch. Genetics and the Origin of Species: An introduction. The National Academy of Sciences of the USA, 1997.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.