Cite

[Manuscript chart showing the mouth of the Hoogly River from the Bay of Bengal towards Calcutta]. Johannus van Bergen.

MLA

[Manuscript Chart Showing the Mouth of the Hoogly River from the Bay of Bengal towards Calcutta]. Johannus Van Bergen. 1755. https://collections.library.yale.edu/catalog/15826711.

APA, 6th edition

[Manuscript chart showing the mouth of the Hoogly River from the Bay of Bengal towards Calcutta]. Johannus van Bergen. (1755). [Manuscript maps]. https://collections.library.yale.edu/catalog/15826711.