China. Bashee and Ballingtang Channels. J. & C. Walker, Sculpt.
MLA
China. Bashee and Ballingtang Channels. J. & C. Walker, Sculpt. Hydrographic Office of the Admiralty, 1859. https://collections.library.yale.edu/catalog/15510618.
APA, 6th edition
China. Bashee and Ballingtang Channels. J. & C. Walker, Sculpt. (1859). [Maps]. Hydrographic Office of the Admiralty, https://collections.library.yale.edu/catalog/15510618.