MLA

1932 Highway Map of the State of Wyoming. Wyoming State Dept. of Commerce and Industry, in cooperation Wyoming State Highway Dept., 0AD. https://collections.library.yale.edu/catalog/15818397.

APA, 6th edition

1932 highway map of the state of Wyoming. (0 C.E.). [Road maps]. Wyoming State Dept. of Commerce and Industry, in cooperation Wyoming State Highway Dept., https://collections.library.yale.edu/catalog/15818397.