Summary of the draft recovery plan for the northern spotted owl.
APA Citation
United States. Dept. of the Interior. (1991). Summary of the draft recovery plan for the northern spotted owl. [Portland, Or.?]: U.S. Dept. of the Interior.
MLA Citation
United States. Dept. of the Interior. Summary of the Draft Recovery Plan for the Northern Spotted Owl. [Portland, Or.?]: U.S. Dept. of the Interior, 1991.
Warning: These citations may not always be complete (especially for serials).