APA
de Freitas M. A., Vieira R. S., Entiauspe-Neto O. M., Sousa S. O. E., Farias T., Sousa A. G. & de Moura G. J. B. (2017). Herpetofauna of the Northwest Amazon forest in the state of Maranhão, Brazil, with remarks on the Gurupi Biological Reserve. : ZooKeys.
Chicago
de Freitas Marco Antonio, Vieira Ruhan Saldanha, Entiauspe-Neto Omar Machado, Sousa Samantha Oliveira E, Farias Tayse, Sousa Alanna Grazieli and de Moura Geraldo Jorge Barbosa. 2017. Herpetofauna of the Northwest Amazon forest in the state of Maranhão, Brazil, with remarks on the Gurupi Biological Reserve. : ZooKeys.
Harvard
de Freitas M. A., Vieira R. S., Entiauspe-Neto O. M., Sousa S. O. E., Farias T., Sousa A. G. and de Moura G. J. B. (2017). Herpetofauna of the Northwest Amazon forest in the state of Maranhão, Brazil, with remarks on the Gurupi Biological Reserve. : ZooKeys.
MLA
de Freitas Marco Antonio, Vieira Ruhan Saldanha, Entiauspe-Neto Omar Machado, Sousa Samantha Oliveira E, Farias Tayse, Sousa Alanna Grazieli and de Moura Geraldo Jorge Barbosa. Herpetofauna of the Northwest Amazon forest in the state of Maranhão, Brazil, with remarks on the Gurupi Biological Reserve. : ZooKeys. 2017.