APA (7th ed.) Citation

Luther, M., & Beintker, H. (1961). Martin Luther. Martin Luther.

Chicago Style (17th ed.) Citation

Luther, Martin, and Horst Beintker. "Martin Luther." Martin Luther 1961.

MLA (9th ed.) Citation

Luther, Martin, and Horst Beintker. "Martin Luther." Martin Luther, 1961.

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