MLA

Land, Big Timber, and Water Company. Project of the Big Timber Land and Water Company in the Upper Yellowstone Valley, Montana. 0AD. https://collections.library.yale.edu/catalog/2001060.

APA, 6th edition

Land, B. T., & Company, W. (0 C.E.). Project of the Big Timber Land and Water Company in the upper Yellowstone Valley, Montana [Illustrations, Promotional literature]. https://collections.library.yale.edu/catalog/2001060.