MLA

Dunn, Samuel. North America as Divided amongst the European Powers. Printed for Robt. Sayer, No. 53 in Fleet Street as the Act directs, 1774. https://collections.library.yale.edu/catalog/2000120.

APA, 6th edition

Dunn, S. (1774). North America as divided amongst the European powers [Engravings, Hand coloring, Illustrations, Maps]. Printed for Robt. Sayer, No. 53 in Fleet Street as the Act directs. https://collections.library.yale.edu/catalog/2000120.