Geological map of Texas : showing approximate locations and drilling wells, also names of companies drilling / compiled and for sale by Standard Blue Print Map and Engineering Co.
MLA
Map, Standard Blue Print, and creator Engineering Company. Geological Map of Texas : Showing Approximate Locations and Drilling Wells, Also Names of Companies Drilling / Compiled and for Sale by Standard Blue Print Map and Engineering Co. [Standard Blue Print Map and Engineering Company], 0AD. https://collections.library.yale.edu/catalog/15827563.
APA, 6th edition
Map, S. B. P., & Engineering Company, creator. (0 C.E.). Geological map of Texas : showing approximate locations and drilling wells, also names of companies drilling / compiled and for sale by Standard Blue Print Map and Engineering Co. [Maps]. [Standard Blue Print Map and Engineering Company], https://collections.library.yale.edu/catalog/15827563.
