MLA
Luther, Martin, 1483-1546. D. Martini Lutheri theologi, catechismus, lećtu dignissimus, latinus faćtus per Vincentium Obsopoeum : Huic adiećti sunt alij quo[que] gemini Catechismi,Iohannis Brentij ecclesiastae Hallensis, eodem interprete. XXXX. Richard C. Kessler Reformation Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/385n8pk2jj-cor.
APA, 6th edition
Luther, Martin, 1483-1546. (XXXX)[D. Martini Lutheri theologi, catechismus, lećtu dignissimus, latinus faćtus per Vincentium Obsopoeum : Huic adiećti sunt alij quo[que] gemini Catechismi,Iohannis Brentij ecclesiastae Hallensis, eodem interprete]. Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/385n8pk2jj-cor.
Chicago
Luther, Martin, 1483-1546, D. Martini Lutheri theologi, catechismus, lećtu dignissimus, latinus faćtus per Vincentium Obsopoeum : Huic adiećti sunt alij quo[que] gemini Catechismi,Iohannis Brentij ecclesiastae Hallensis, eodem interprete, XXXX, Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/385n8pk2jj-cor.