Cite

A chart of Delaware Bay and River ... by joshua Fisher.

MLA

A Chart of Delaware Bay and River ... by Joshua Fisher. Robt. Sayer & Jno. Bennett, 1776. https://collections.library.yale.edu/catalog/15811166.

APA, 6th edition

A chart of Delaware Bay and River ... by joshua Fisher. (1776). [Maps]. Robt. Sayer & Jno. Bennett, https://collections.library.yale.edu/catalog/15811166.