APA

Cook D., .Sexual selection in dung beetles I. A. multivariate study of the morphological variation in two species of Onthophagus (Scarabaeidae: Onthophagini). : .

Chicago

Cook David, .Sexual selection in dung beetles I. A. multivariate study of the morphological variation in two species of Onthophagus (Scarabaeidae: Onthophagini). : .

Harvard

Cook D., .Sexual selection in dung beetles I. A. multivariate study of the morphological variation in two species of Onthophagus (Scarabaeidae: Onthophagini). : .

MLA

Cook David, .: . .