MLA

Williams, John, 1636?-1709. A vindication of The case of indifferent things used in the worship of God : in answer to a book intituled The case of indifferent things used in the worship of God, examined, stated on the behalf of the dissenters and calmly argued. 1684.. https://collections.library.yale.edu/catalog/2066213.

APA, 6th edition

Williams, John, 1636?-1709. (1684.)[A vindication of The case of indifferent things used in the worship of God : in answer to a book intituled The case of indifferent things used in the worship of God, examined, stated on the behalf of the dissenters and calmly argued]. https://collections.library.yale.edu/catalog/2066213.