APA

Custer T. W., Golden N. H. & Rattner B. A. (20081205). Element patterns in feathers of nestling black-crowned night-herons, Nycticorax nycticorax L., from four colonies in Delaware, Maryland, and Minnesota. : Bulletin of environmental contamination and toxicology.

Chicago

Custer Thomas W, Golden Nancy H and Rattner Barnett A. 20081205. Element patterns in feathers of nestling black-crowned night-herons, Nycticorax nycticorax L., from four colonies in Delaware, Maryland, and Minnesota. : Bulletin of environmental contamination and toxicology.

Harvard

Custer T. W., Golden N. H. and Rattner B. A. (20081205). Element patterns in feathers of nestling black-crowned night-herons, Nycticorax nycticorax L., from four colonies in Delaware, Maryland, and Minnesota. : Bulletin of environmental contamination and toxicology.

MLA

Custer Thomas W, Golden Nancy H and Rattner Barnett A. Element patterns in feathers of nestling black-crowned night-herons, Nycticorax nycticorax L., from four colonies in Delaware, Maryland, and Minnesota. : Bulletin of environmental contamination and toxicology. 20081205.