MLA
Luther, Martin, 1483-1546. Kercken Postilla, dat ys, Vthlegginge der Epistelen vnd Euangelien, an de Söndagen vnde vornemesten Festen. 1563. Richard C. Kessler Reformation Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/177fqz63js-cor.
APA, 6th edition
Luther, Martin, 1483-1546. (1563)[Kercken Postilla, dat ys, Vthlegginge der Epistelen vnd Euangelien, an de Söndagen vnde vornemesten Festen]. Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/177fqz63js-cor.
Chicago
Luther, Martin, 1483-1546, Kercken Postilla, dat ys, Vthlegginge der Epistelen vnd Euangelien, an de Söndagen vnde vornemesten Festen, 1563, Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/177fqz63js-cor.