MLA

West Rock in New Haven. Judges Cave. Published and sold by J.W. Barber and by the booksellers in New Haven, 1831. https://collections.library.yale.edu/catalog/2005621.

APA, 6th edition

West Rock in New Haven. Judges Cave. (1831). [Illustrations]. Published and sold by J.W. Barber and by the booksellers in New Haven. https://collections.library.yale.edu/catalog/2005621.