From a Sketch of La Mission de la Concepcion San Antonio de Bexar, Lt. Trevitt, U.S.G.S
MLA
Kern, Richard H., 1821-1853. From a Sketch of La Mission de la Concepcion San Antonio de Bexar, Lt. Trevitt, U.S.G.S. Box 2 | Box 2. 1850. https://collections.library.yale.edu/catalog/2001376.
APA, 6th edition
Kern, Richard H., 1821-1853. (["Box 2 | Box 2"])(1850)[From a Sketch of La Mission de la Concepcion San Antonio de Bexar, Lt. Trevitt, U.S.G.S]. https://collections.library.yale.edu/catalog/2001376.