APA (7th ed.) Citation

Luther, M., Constant friend to the peace and truth of the Gospel, & Sleidanus, J. (1643). Martin Luther's declaration to his countrimen. publisher not identified.

Chicago Style (17th ed.) Citation

Luther, Martin, Constant friend to the peace and truth of the Gospel, and Johannes Sleidanus. Martin Luther's Declaration to His Countrimen. [London: publisher not identified, 1643.

MLA (9th ed.) Citation

Luther, Martin, et al. Martin Luther's Declaration to His Countrimen. publisher not identified, 1643.

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