(1934). Mesa Verde National Park, Colorado: Season from may 15 to october 15. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Mesa Verde National Park, Colorado: Season from May 15 to October 15. Washington: Government Printing Office, 1934.
MLA-Zitierstil (9. Ausg.)Mesa Verde National Park, Colorado: Season from May 15 to October 15. Government Printing Office, 1934.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.