Cita APA (7a ed.)

Di Pietro, D. O., Nenda, S. J., & Williams, J. D. (2010). New records of <i>Psomophis obtusus</i> (Cope, 1863) (Serpentes: Dipsadidae) in Argentina and Uruguay.

Cita Chicago Style (17a ed.)

Di Pietro, Diego Omar, Santiago Javier Nenda, y Jorge Daniel Williams. New Records of <i>Psomophis Obtusus</i> (Cope, 1863) (Serpentes: Dipsadidae) in Argentina and Uruguay. 2010.

Cita MLA (8a ed.)

Di Pietro, Diego Omar, et al. New Records of <i>Psomophis Obtusus</i> (Cope, 1863) (Serpentes: Dipsadidae) in Argentina and Uruguay. 2010.