Cita APA (7a ed.)

Organista, D. E. (2002). Mexican biogeographic provinces: Preliminary scheme, general characterizations, and synonymies. Instituto de Ecología, A.C.

Cita Chicago Style (17a ed.)

Organista, David Espinosa. Mexican Biogeographic Provinces: Preliminary Scheme, General Characterizations, and Synonymies. Instituto de Ecología, A.C, 2002.

Cita MLA (9a ed.)

Organista, David Espinosa. Mexican Biogeographic Provinces: Preliminary Scheme, General Characterizations, and Synonymies. Instituto de Ecología, A.C, 2002.