Map showing property of the Caddo Oil and Refining Company of Louisiana, Inc.
MLA
Map Showing Property of the Caddo Oil and Refining Company of Louisiana, Inc. s.n., 191AD. https://collections.library.yale.edu/catalog/15827503.
APA, 6th edition
Map showing property of the Caddo Oil and Refining Company of Louisiana, Inc. (191 C.E.). [Maps]. s.n., https://collections.library.yale.edu/catalog/15827503.