Dilworth, T., & Patterson, R. (1812). The schoolmaster's assistant: Being a complete system of practical arithmetic (Third edition.). Philadelphia: Printed and sold by John Bioren ....
Chicago Style CitationDilworth, Thomas, and Robert Patterson. The Schoolmaster's Assistant: Being a Complete System of Practical Arithmetic. Third edition. Philadelphia: Printed and sold by John Bioren ..., 1812.
MLA CitationDilworth, Thomas, and Robert Patterson. The Schoolmaster's Assistant: Being a Complete System of Practical Arithmetic. Third edition. Philadelphia: Printed and sold by John Bioren ..., 1812.