MLA

St. John, O. B. C. (Oliver Beauchamp Coventry), Sir, 1837-1891. Persia [cartographic material] / compiled principally from original authorities by Captain O.B.C. St. John.. BRBL_00289. 1875. https://collections.library.yale.edu/catalog/15827185.

APA, 6th edition

St. John, O. B. C. (Oliver Beauchamp Coventry), Sir, 1837-1891. (["BRBL_00289"])(1875)[Persia [cartographic material] / compiled principally from original authorities by Captain O.B.C. St. John.]. https://collections.library.yale.edu/catalog/15827185.