Yellowstone National Park / compiled from the official records of the General Land Office, U.S. Geological Survey and other sources, under the direction of I.P. Berthrong, Chief of Drafting Division, G.L.O., 1911 ; compiled and drawn by I.P. Berthrong ; l
MLA
Berthrong, I. P. Yellowstone National Park / Compiled from the Official Records of the General Land Office, U.S. Geological Survey and Other Sources, under the Direction of I.P. Berthrong, Chief of Drafting Division, G.L.O., 1911 ; Compiled and Drawn by I.P. Berthrong ; l. General Land Office, 0AD. https://collections.library.yale.edu/catalog/15818387.
APA, 6th edition
Berthrong, I. P. (0 C.E.). Yellowstone National Park / compiled from the official records of the General Land Office, U.S. Geological Survey and other sources, under the direction of I.P. Berthrong, Chief of Drafting Division, G.L.O., 1911 ; compiled and drawn by I.P. Berthrong ; l [Maps]. General Land Office, https://collections.library.yale.edu/catalog/15818387.
