The Small catechism of Dr. Martin Luther.
Literally translated. Translation revised and corrected by H. Wetzel, Woodstock, Va.

APA Citation

Luther, M., Wetzel, H. (1872). The Small catechism of Dr. Martin Luther. [Woodstock? Va.].

MLA Citation

Luther, Martin, 1483-1546, and Henry Wetzel. The Small Catechism of Dr. Martin Luther. [Woodstock? Va.], 1872.

Warning: These citations may not always be complete (especially for serials).