MLA

Clarke, James, -1790. A survey of the lakes of Cumberland, Westmorland, and Lancashire: together with an account, historical, topographical, and descriptive, of the adjacent country. To which is added, a sketch of the border laws and customs. 1789.. https://collections.library.yale.edu/catalog/2026471.

APA, 6th edition

Clarke, James, -1790. (1789.)[A survey of the lakes of Cumberland, Westmorland, and Lancashire: together with an account, historical, topographical, and descriptive, of the adjacent country. To which is added, a sketch of the border laws and customs]. https://collections.library.yale.edu/catalog/2026471.