Cite

Of the scale of creatures

MLA

Petty, William, Sir, 1623-1687. Of the scale of creatures. [ca. 1680]. https://collections.library.yale.edu/catalog/2022775.

APA, 6th edition

Petty, William, Sir, 1623-1687. ([ca. 1680])[Of the scale of creatures]. https://collections.library.yale.edu/catalog/2022775.