APA

Adams J., Slavid E., .Cheek plumage pattern in Colombian ruddy duck Oxyura jamaicensis. : .

Chicago

Adams Jonathan, Slavid Evelyn, .Cheek plumage pattern in Colombian ruddy duck Oxyura jamaicensis. : .

Harvard

Adams J., Slavid E., .Cheek plumage pattern in Colombian ruddy duck Oxyura jamaicensis. : .

MLA

Adams Jonathan, Slavid Evelyn, .: . .