Choice observations taken out of severall authors, 1695.
MLA
Penn, William, 1644-1718. Choice observations taken out of severall authors, 1695.. 1695. https://collections.library.yale.edu/catalog/2030697.
APA, 6th edition
Penn, William, 1644-1718. (1695)[Choice observations taken out of severall authors, 1695.]. https://collections.library.yale.edu/catalog/2030697.