Cita APA (7a ed.)

Ramírez-Restrepo, L., & Halffter, G. (2016). A dung beetle in Mexico city: The case of Ceratotrupes fronticornis (Erichson) (Coleoptera: Geotrupidae). Instituto de Ecología, A.C.

Cita Chicago Style (17a ed.)

Ramírez-Restrepo, Lorena, y Gonzalo Halffter. A Dung Beetle in Mexico City: The Case of Ceratotrupes Fronticornis (Erichson) (Coleoptera: Geotrupidae). Instituto de Ecología, A.C, 2016.

Cita MLA (9a ed.)

Ramírez-Restrepo, Lorena, y Gonzalo Halffter. A Dung Beetle in Mexico City: The Case of Ceratotrupes Fronticornis (Erichson) (Coleoptera: Geotrupidae). Instituto de Ecología, A.C, 2016.