Cite

A new and correct map of Scotland or North Britain ... by Lieutenant Campbell.

MLA

A New and Correct Map of Scotland or North Britain ... by Lieutenant Campbell. Robt. Sayer, 1790. https://collections.library.yale.edu/catalog/15350034.

APA, 6th edition

A new and correct map of Scotland or North Britain ... by Lieutenant Campbell. (1790). [Maps]. Robt. Sayer, https://collections.library.yale.edu/catalog/15350034.