Bowles's New Pocket map of the discoveries made by the Russians on the north west coast of America ... Printed for Carington Bowles ... London.
MLA
Bowles's New Pocket Map of the Discoveries Made by the Russians on the North West Coast of America ... Printed for Carington Bowles ... London. Published by the Royal Academy of Sciences, 0AD. https://collections.library.yale.edu/catalog/15235136.
APA, 6th edition
Bowles's New Pocket map of the discoveries made by the Russians on the north west coast of America ... Printed for Carington Bowles ... London. (0 C.E.). [Maps]. Published by the Royal Academy of Sciences, https://collections.library.yale.edu/catalog/15235136.