MLA

Vincent, Thomas, 1634-1678, Westminster Assembly of Divines. Shorter catechism. An explicatory catechism, or, An explanation of the Assemblies Shorter catechism .... 1697. https://collections.library.yale.edu/catalog/2066947.

APA, 6th edition

Vincent, Thomas, 1634-1678, & Westminster Assembly of Divines. Shorter catechism. (1697)[An explicatory catechism, or, An explanation of the Assemblies Shorter catechism ...]. https://collections.library.yale.edu/catalog/2066947.