Cita APA (7a ed.)

Naya, D., Camargo, A., Maneyro, R., Rosa, I. d., & Canavero, A. (2002). Intestinal length of four South American anuran species.

Cita Chicago Style (17a ed.)

Naya, Daniel, Arley Camargo, Raúl Maneyro, I. da Rosa, y Andrés Canavero. Intestinal Length of Four South American Anuran Species. 2002.

Cita MLA (8a ed.)

Naya, Daniel, et al. Intestinal Length of Four South American Anuran Species. 2002.