MLA

Rennell, James, 1742-1830, cartographer. A map of Bengal, Bahar, Oude & Allahabad with part of Agra and Delhi : exhibiting the course of the Ganges from Hurdwar to the sea. Jany. 1st, 1786.. https://collections.library.yale.edu/catalog/2046622.

APA, 6th edition

Rennell, James, 1742-1830, cartographer. (Jany. 1st, 1786.)[A map of Bengal, Bahar, Oude & Allahabad with part of Agra and Delhi : exhibiting the course of the Ganges from Hurdwar to the sea]. https://collections.library.yale.edu/catalog/2046622.