Status assessment and conservation plan for the yellow-billed loon (Gavia adamsii)

MLA

Earnst, Susan Leigh, Geological Survey (U.S.) and U.S. Fish and Wildlife Service. Status assessment and conservation plan for the yellow-billed loon (Gavia adamsii). Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services, 2004.

APA

Earnst, S., Geological Survey (U.S.) & U.S. Fish and Wildlife Service. (2004). Status assessment and conservation plan for the yellow-billed loon (Gavia adamsii). Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services.

Chicago

Earnst, Susan Leigh, Geological Survey (U.S.) and U.S. Fish and Wildlife Service. Status assessment and conservation plan for the yellow-billed loon (Gavia adamsii). Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services, 2004.