[Johnson, J.?] "1st encampment of U.S. Land Boundary Commission, Esquimalt, V.I." Photographic print, 15.7 x 21.6 cm. on mount 20.7 x 27.5 cm.
MLA
[Johnson, J.?] "1st Encampment of U.S. Land Boundary Commission, Esquimalt, V.I." Photographic Print, 15.7 x 21.6 Cm. on Mount 20.7 x 27.5 Cm. 0AD. https://collections.library.yale.edu/catalog/16386723.
APA, 6th edition
[Johnson, J.?] "1st encampment of U.S. Land Boundary Commission, Esquimalt, V.I." Photographic print, 15.7 x 21.6 cm. on mount 20.7 x 27.5 cm. (0 C.E.). [Photographic prints]. https://collections.library.yale.edu/catalog/16386723.