APA (7e ed.) Bronvermelding

Martínez-Guerrero, J. H., Nocedal, J., Sierra-Franco, D., Arroyo-Arroyo, S. I., & Pereda-Solís, M. E. (2018). New Locality of the endangered Sierra Madre Sparrow (Xenospiza Baileyi) from the State of Durango, Mexico, and recommendations for its conservation. Instituto de Ecología, A.C.

Chicago (17e ed.) Bronvermelding

Martínez-Guerrero, José Hugo, Jorge Nocedal, Daniel Sierra-Franco, Samuel Ignacio Arroyo-Arroyo, en Martín Emilio Pereda-Solís. New Locality of the Endangered Sierra Madre Sparrow (Xenospiza Baileyi) from the State of Durango, Mexico, and Recommendations for Its Conservation. Instituto de Ecología, A.C, 2018.

MLA (9e ed.) Bronvermelding

Martínez-Guerrero, José Hugo, et al. New Locality of the Endangered Sierra Madre Sparrow (Xenospiza Baileyi) from the State of Durango, Mexico, and Recommendations for Its Conservation. Instituto de Ecología, A.C, 2018.