APA

Ubaid F. K., Silveira L. F., Medolago C. A. B., Costa T. V. V., Francisco M. R., Barbosa K. V. C. & JÚnior A. D. S. (20181217). Taxonomy, natural history, and conservation of the Great-billed Seed-Finch Sporophila maximiliani (Cabanis, 1851) (Thraupidae, Sporophilinae). : Zootaxa.

Chicago

Ubaid FlÁvio Kulaif, Silveira LuÍs Fabio, Medolago Cesar A B, Costa Thiago V V, Francisco Mercival Roberto, Barbosa Karlla V C and JÚnior Adir D S. 20181217. Taxonomy, natural history, and conservation of the Great-billed Seed-Finch Sporophila maximiliani (Cabanis, 1851) (Thraupidae, Sporophilinae). : Zootaxa.

Harvard

Ubaid F. K., Silveira L. F., Medolago C. A. B., Costa T. V. V., Francisco M. R., Barbosa K. V. C. and JÚnior A. D. S. (20181217). Taxonomy, natural history, and conservation of the Great-billed Seed-Finch Sporophila maximiliani (Cabanis, 1851) (Thraupidae, Sporophilinae). : Zootaxa.

MLA

Ubaid FlÁvio Kulaif, Silveira LuÍs Fabio, Medolago Cesar A B, Costa Thiago V V, Francisco Mercival Roberto, Barbosa Karlla V C and JÚnior Adir D S. Taxonomy, natural history, and conservation of the Great-billed Seed-Finch Sporophila maximiliani (Cabanis, 1851) (Thraupidae, Sporophilinae). : Zootaxa. 20181217.