APA

Johnson K., Le Crom J. F., .Brown-frons complex of Cyanophrys sensu lato and new sister species from Colombia and Brazil. : .

Chicago

Johnson Kurt, Le Crom Jean Francois, .Brown-frons complex of Cyanophrys sensu lato and new sister species from Colombia and Brazil. : .

Harvard

Johnson K., Le Crom J. F., .Brown-frons complex of Cyanophrys sensu lato and new sister species from Colombia and Brazil. : .

MLA

Johnson Kurt, Le Crom Jean Francois, .: . .