Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA ZitierstilVivian, R. G. (1959). The Hubbard site and other tri-wall structures in New Mexico and Colorado. Washington: National Park Service, U. S. Dept. of the Interior.
Chicago ZitierstilVivian, R. Gordon. The Hubbard Site and Other Tri-wall Structures in New Mexico and Colorado. Washington: National Park Service, U. S. Dept. of the Interior, 1959.
MLA ZitierstilVivian, R. Gordon. The Hubbard Site and Other Tri-wall Structures in New Mexico and Colorado. Washington: National Park Service, U. S. Dept. of the Interior, 1959.