APA aipamena

Castro, M. S., Recco-Pimentel, S. M., & Rocha, G. T. (2003). Sexual dimorphism in Ramphastos toco and Ramphastos dicolorus (Piciformes, Aves).

Chicago Style aipamena

Castro, Marcio S., Shirlei M. Recco-Pimentel, y Guaracy T. Rocha. Sexual Dimorphism in Ramphastos Toco and Ramphastos Dicolorus (Piciformes, Aves). 2003.

MLA aipamena

Castro, Marcio S., Shirlei M. Recco-Pimentel, y Guaracy T. Rocha. Sexual Dimorphism in Ramphastos Toco and Ramphastos Dicolorus (Piciformes, Aves). 2003.