Johnson, W. E., & Coffin, J. M. (1999). Constructing primate phylogenies from ancient retrovirus sequences. The National Academy of Sciences.
Citação norma ChicagoJohnson, Welkin E., and John M. Coffin. Constructing Primate Phylogenies From Ancient Retrovirus Sequences. The National Academy of Sciences, 1999.
Citação norma MLAJohnson, Welkin E., and John M. Coffin. Constructing Primate Phylogenies From Ancient Retrovirus Sequences. The National Academy of Sciences, 1999.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.