Luther, M., & Schumann, V. -. (1518). Sermo de digna || Praeparatione cordis || pro suscipiendo Sacramento Eucha=||ristiae R. P. Martini Luther || Augustiniani Vuit=||tenbergensis.||. Schumann, Valentin.
Chicago Style (17th ed.) CitationLuther, Martin, and Valentin -1542 Schumann. Sermo De Digna || Praeparatione Cordis || Pro Suscipiendo Sacramento Eucha=||ristiae R. P. Martini Luther || Augustiniani Vuit=||tenbergensis.||. Leipzig: Schumann, Valentin, 1518.
MLA (9th ed.) CitationLuther, Martin, and Valentin -1542 Schumann. Sermo De Digna || Praeparatione Cordis || Pro Suscipiendo Sacramento Eucha=||ristiae R. P. Martini Luther || Augustiniani Vuit=||tenbergensis.||. Schumann, Valentin, 1518.
Warning: These citations may not always be 100% accurate.