Western Pacific : Australia to China / James Imray and Son.
MLA
Imray, James, and Son. Western Pacific : Australia to China / James Imray and Son. James Imray and Son, 1864. https://collections.library.yale.edu/catalog/15237558.
APA, 6th edition
Imray, J., & S. (1864). Western Pacific : Australia to China / James Imray and Son. [Maps, Nautical charts]. James Imray and Son, https://collections.library.yale.edu/catalog/15237558.