APA (7th ed.) Citation

Ficker, J., & Luther, M. (1920). Älteste Bildnisse Luthers (Sonderdr.). Holtermann.

Chicago Style (17th ed.) Citation

Ficker, Johannes, and Martin Luther. Älteste Bildnisse Luthers. Sonderdr. Magdeburg: Holtermann, 1920.

MLA (8th ed.) Citation

Ficker, Johannes, and Martin Luther. Älteste Bildnisse Luthers. Sonderdr. Holtermann, 1920.

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