MLA

Danvers, Juland, and cartographer. Map of India : Shewing the British Possessions in the Year 1842 / by Juland Danvers ; J. & C. Walker, Sculpt. Published as the act directs by Wm. H. Allen & Co., 7 Leadenhall St., 0AD. https://collections.library.yale.edu/catalog/16708742.

APA, 6th edition

Danvers, J., & cartographer. (0 C.E.). Map of India : shewing the British possessions in the year 1842 / by Juland Danvers ; J. & C. Walker, sculpt. [Maps]. Published as the act directs by Wm. H. Allen & Co., 7 Leadenhall St., https://collections.library.yale.edu/catalog/16708742.