Map of Clay Co., Ind. / compiled and drawn by G.M. Levette for the first annual report of Prof. E.T. Cox, State Geologist.
MLA
Levette, Gilbert M. Map of Clay Co., Ind. / Compiled and Drawn by G.M. Levette for the First Annual Report of Prof. E.T. Cox, State Geologist. Braden], 1869. https://collections.library.yale.edu/catalog/15814384.
APA, 6th edition
Levette, G. M. (1869). Map of Clay Co., Ind. / compiled and drawn by G.M. Levette for the first annual report of Prof. E.T. Cox, State Geologist. [Maps]. Braden], https://collections.library.yale.edu/catalog/15814384.