APA (7th ed.) Citation

Luther, M. (1521). Duae Martini Lutheri Epistolae. [Schirlentz].

Chicago Style (17th ed.) Citation

Luther, Martin. Duae Martini Lutheri Epistolae. Wittemberga: [Schirlentz], 1521.

MLA (9th ed.) Citation

Luther, Martin. Duae Martini Lutheri Epistolae. [Schirlentz], 1521.

Warning: These citations may not always be 100% accurate.