Cite

A map of the discoveries made by the Russians on the north west coast of America ... London, Printed for Carington Bowles ...

MLA

A Map of the Discoveries Made by the Russians on the North West Coast of America ... London, Printed for Carington Bowles ... the Royal Academy of Sciences, 1771. https://collections.library.yale.edu/catalog/15235131.

APA, 6th edition

A map of the discoveries made by the Russians on the north west coast of America ... London, Printed for Carington Bowles ... (1771). [Maps]. the Royal Academy of Sciences, https://collections.library.yale.edu/catalog/15235131.