MLA

Taylor, John, 1580-1653. A dog's elegy, or, Rvpert's tears : for the late defeat given him at Marston-moore, neer York, by the three renowned generalls, Alexander earl of Leven ... Fardinando lord Fairefax, and the Earle of Manchester ... : where his beloved dog, named Boy, was killed .... July 27, 1644.. https://collections.library.yale.edu/catalog/12257911.

APA, 6th edition

Taylor, John, 1580-1653. (July 27, 1644.)[A dog's elegy, or, Rvpert's tears : for the late defeat given him at Marston-moore, neer York, by the three renowned generalls, Alexander earl of Leven ... Fardinando lord Fairefax, and the Earle of Manchester ... : where his beloved dog, named Boy, was killed ...]. https://collections.library.yale.edu/catalog/12257911.