MLA

Drayton, Michael, 1563-1631, Hole, William, d. 1624, Selden, John, 1584-1654. Poly-Olbion, or, A chorographicall description of tracts, rivers, mountaines, forests, and other parts ... of Great Britaine ... / digested in a poem .... 1613. https://collections.library.yale.edu/catalog/2057458.

APA, 6th edition

Drayton, Michael, 1563-1631, & Hole, William, d. 1624, & Selden, John, 1584-1654. (1613)[Poly-Olbion, or, A chorographicall description of tracts, rivers, mountaines, forests, and other parts ... of Great Britaine ... / digested in a poem ...]. https://collections.library.yale.edu/catalog/2057458.