MLA

Swanston, George H., and cartographer. engraver. Russian Empire : According to Kiepert & Others / by G.H. Swanston ; Engraved by G.H. Swanston. A. Fullarton & Co., 0AD. https://collections.library.yale.edu/catalog/16372731.

APA, 6th edition

Swanston, G. H., & engraver, cartographer. (0 C.E.). Russian empire : according to Kiepert & others / by G.H. Swanston ; engraved by G.H. Swanston. [California as an island., World maps.]. A. Fullarton & Co., https://collections.library.yale.edu/catalog/16372731.