Cite

Topographic map of the Yellowstone National Park, Wyoming-Montana-Idaho / from Geological Survey atlas sheets surveyed in 1883-85 ; partial revision in 1910 by E.P. Davis ; R.B. Marshall, chief geographer.

MLA

Geological Survey (U.S.). Topographic map of the Yellowstone National Park, Wyoming-Montana-Idaho / from Geological Survey atlas sheets surveyed in 1883-85 ; partial revision in 1910 by E.P. Davis ; R.B. Marshall, chief geographer.. BRBL_00585. [1912]. https://collections.library.yale.edu/catalog/15818389.

APA, 6th edition

Geological Survey (U.S.). (["BRBL_00585"])([1912])[Topographic map of the Yellowstone National Park, Wyoming-Montana-Idaho / from Geological Survey atlas sheets surveyed in 1883-85 ; partial revision in 1910 by E.P. Davis ; R.B. Marshall, chief geographer.]. https://collections.library.yale.edu/catalog/15818389.