Greater Yellowstone ecosystem : an analysis of data submitted by federal and state agencies

MLA

United States. and Library of Congress. Greater Yellowstone ecosystem : an analysis of data submitted by federal and state agencies. Washington : U.S. Government Printing Office, 1987.

APA

United States. & Library of Congress. (1987). Greater Yellowstone ecosystem : an analysis of data submitted by federal and state agencies. Washington : U.S. Government Printing Office.

Chicago

United States. and Library of Congress. Greater Yellowstone ecosystem : an analysis of data submitted by federal and state agencies. Washington : U.S. Government Printing Office, 1987.