APA

Ortega, Halffter G. & Enkerlin D.Entomological teaching and research in Mexico. : .

Chicago

Ortega, Halffter Gonzalo and Enkerlin Dieter.Entomological teaching and research in Mexico. : .

Harvard

Ortega, Halffter G. and Enkerlin D.Entomological teaching and research in Mexico. : .

MLA

Ortega, Halffter Gonzalo and Enkerlin Dieter.: . .