APA

Montes de Oca E., Halffter G., .Invasion of Mexico by two dung beetles previously introduced into the United States. : .

Chicago

Montes de Oca Enrique, Halffter Gonzalo, .Invasion of Mexico by two dung beetles previously introduced into the United States. : .

Harvard

Montes de Oca E., Halffter G., .Invasion of Mexico by two dung beetles previously introduced into the United States. : .

MLA

Montes de Oca Enrique, Halffter Gonzalo, .: . .