Bornkamm, H., & Bornkamm, K. (1983). Luther in mid-career, 1521-1530. Fortress Press.
Chicago Style (17th ed.) CitationBornkamm, Heinrich, and Karin Bornkamm. Luther in Mid-career, 1521-1530. Philadelphia: Fortress Press, 1983.
MLA (8th ed.) CitationBornkamm, Heinrich, and Karin Bornkamm. Luther in Mid-career, 1521-1530. Fortress Press, 1983.
Warning: These citations may not always be 100% accurate.