Cita APA

Green, A. J., & Navarro, J. (1997). National censuses of the Marbled Teal Marmaronetta angustirostris in Spain.

Citación estilo Chicago

Green, Andy J., y J.D Navarro. National Censuses of the Marbled Teal Marmaronetta Angustirostris in Spain. 1997.

Cita MLA

Green, Andy J., y J.D Navarro. National Censuses of the Marbled Teal Marmaronetta Angustirostris in Spain. 1997.