MLA

A Map of the Discoveries Made by the Russians on the North West Coast of America. London, Printed for John Bowles ... & Carington ... the Royal Academy of Sciences at Petersburg, 0AD. https://collections.library.yale.edu/catalog/15235133.

APA, 6th edition

A map of the discoveries made by the Russians on the North West Coast of America. London, Printed for John Bowles ... & Carington ... (0 C.E.). [Maps]. the Royal Academy of Sciences at Petersburg, https://collections.library.yale.edu/catalog/15235133.