Citação norma APA

Watson, J. M., Spencer, J. A., Riggs, A. D., & Graves, J. A. (1991). Sex chromosome evolution: Platypus gene mapping suggests that part of the human X chromosome was originally autosomal.

Citação norma Chicago

Watson, J M., J A. Spencer, A D. Riggs, and J A. Graves. Sex Chromosome Evolution: Platypus Gene Mapping Suggests That Part of the Human X Chromosome Was Originally Autosomal. 1991.

Citação norma MLA

Watson, J M., J A. Spencer, A D. Riggs, and J A. Graves. Sex Chromosome Evolution: Platypus Gene Mapping Suggests That Part of the Human X Chromosome Was Originally Autosomal. 1991.

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