APA (7th ed.) Citation

Luther, M., & Tappert, T. G. (1967). Selected writings of Martin Luther. Fortress Press.

Chicago Style (17th ed.) Citation

Luther, Martin, and Theodore Gerhardt Tappert. Selected Writings of Martin Luther. Philadelphia: Fortress Press, 1967.

MLA (9th ed.) Citation

Luther, Martin, and Theodore Gerhardt Tappert. Selected Writings of Martin Luther. Fortress Press, 1967.