APA

Hanners L. A., Kinkel L. K., Clapp R. B. & U.S. Fish & Wildlife Services. (1991). Colonial Waterbird Information Service. Michigan: Colonial Waterbird Society.

Chicago

Hanners Lise A, Kinkel Linda K, Clapp Roger B and U.S. Fish & Wildlife Services. 1991. Colonial Waterbird Information Service. Michigan: Colonial Waterbird Society.

Harvard

Hanners L. A., Kinkel L. K., Clapp R. B. and U.S. Fish & Wildlife Services. (1991). Colonial Waterbird Information Service. Michigan: Colonial Waterbird Society.

MLA

Hanners Lise A, Kinkel Linda K, Clapp Roger B and U.S. Fish & Wildlife Services. Colonial Waterbird Information Service. Michigan: Colonial Waterbird Society. 1991.