Citazione Stile APA (7a Edizione)

González-García, F., Contreras Reyes, A., & Straub, R. (2009). First documented record of Crimson-Collared Grosbeak (Rhodothraupis Celaeno) from Central Veracruz, Mexico. Instituto de Ecología, A.C.

Citazione stile Chigago Style (17a edizione)

González-García, Fernando, Aldo Contreras Reyes, e Robert Straub. First Documented Record of Crimson-Collared Grosbeak (Rhodothraupis Celaeno) from Central Veracruz, Mexico. Instituto de Ecología, A.C, 2009.

Citatione MLA (9a ed.)

González-García, Fernando, et al. First Documented Record of Crimson-Collared Grosbeak (Rhodothraupis Celaeno) from Central Veracruz, Mexico. Instituto de Ecología, A.C, 2009.