APA (7. basım) Alıntı

Langford, N. P. The Discovery of Yellowstone Park Journal of the Washburn Expedition to the Yellowstone and Firehole Rivers in the Year 1870.

Chicago Style (17. basım) Atıf

Langford, Nathaniel Pitt. The Discovery of Yellowstone Park Journal of the Washburn Expedition to the Yellowstone and Firehole Rivers in the Year 1870.

MLA (9th ed.) Atıf

Langford, Nathaniel Pitt. The Discovery of Yellowstone Park Journal of the Washburn Expedition to the Yellowstone and Firehole Rivers in the Year 1870.