Cite

Topographical map of the Rocky Mountains / James White, F.R.G.S. Geographer.

MLA

White, James, 1863-1928, cartographer. Topographical map of the Rocky Mountains / James White, F.R.G.S. Geographer.. 1902. https://collections.library.yale.edu/catalog/15827349.

APA, 6th edition

White, James, 1863-1928, cartographer. (1902)[Topographical map of the Rocky Mountains / James White, F.R.G.S. Geographer.]. https://collections.library.yale.edu/catalog/15827349.