MLA
Luther, Martin, 1483-1546. Die bekentnus Doctoris Martini Luthers auff den yetzigen Angesteltenn Reychstag zu Augspurg einzuolegen : in Siebenzehen Artickel verfasset.. 1530. Richard C. Kessler Reformation Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/020fttdzw0-cor.
APA, 6th edition
Luther, Martin, 1483-1546. (1530)[Die bekentnus Doctoris Martini Luthers auff den yetzigen Angesteltenn Reychstag zu Augspurg einzuolegen : in Siebenzehen Artickel verfasset.]. Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/020fttdzw0-cor.
Chicago
Luther, Martin, 1483-1546, Die bekentnus Doctoris Martini Luthers auff den yetzigen Angesteltenn Reychstag zu Augspurg einzuolegen : in Siebenzehen Artickel verfasset., 1530, Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/020fttdzw0-cor.