Gaya APA

Ursinus, D, Z. (1852). Commentary On The Heidelberg Catechism : Ursinus . Philipsburg, New Jersey: Presbyterian and Reformed Publishing Comanpany.

Gaya MLA

Ursinus, Dr., Zacharias. "Commentary On The Heidelberg Catechism : Ursinus". Philipsburg, New Jersey: Presbyterian and Reformed Publishing Comanpany, 1852. Text.