APA (7th ed.) Citation

Luther, M. (1518). Sermo de poenitentia. per Ioannem Grunenberg.

Chicago Style (17th ed.) Citation

Luther, Martin. Sermo De Poenitentia. Impressum Vuittenburgij [i.e. Wittenberg]: per Ioannem Grunenberg, 1518.

MLA (8th ed.) Citation

Luther, Martin. Sermo De Poenitentia. per Ioannem Grunenberg, 1518.