APA (7th ed.) Citation

Dixon, J. S. (1942). Wildlife portfolio of the western national parks. United States Government Printing Office.

Chicago Style (17th ed.) Citation

Dixon, Joseph S. Wildlife Portfolio of the Western National Parks. Washington: United States Government Printing Office, 1942.

MLA (9th ed.) Citation

Dixon, Joseph S. Wildlife Portfolio of the Western National Parks. United States Government Printing Office, 1942.

Warning: These citations may not always be 100% accurate.