MLA
Witzel, Georg, 1501-1573. Homiliae aliquot ab Aduentuv us[que] Quadragesimam, & praeterea à Dominica XIII. usque ad Aduentum : Adiecta est comprehensio locorvm vtriusque Testamenti de necessitate pie factorum eius qui fidem habet : Epistola de libero arb. : Dissertatio item de arbore bona, de Anti-christo, de intercessione diuorum &c. Plera[que] ab authore locupletata. XXXX. Richard C. Kessler Reformation Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/856n02v933-cor.
APA, 6th edition
Witzel, Georg, 1501-1573. (XXXX)[Homiliae aliquot ab Aduentuv us[que] Quadragesimam, & praeterea à Dominica XIII. usque ad Aduentum : Adiecta est comprehensio locorvm vtriusque Testamenti de necessitate pie factorum eius qui fidem habet : Epistola de libero arb. : Dissertatio item de arbore bona, de Anti-christo, de intercessione diuorum &c. Plera[que] ab authore locupletata]. Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/856n02v933-cor.
Chicago
Witzel, Georg, 1501-1573, Homiliae aliquot ab Aduentuv us[que] Quadragesimam, & praeterea à Dominica XIII. usque ad Aduentum : Adiecta est comprehensio locorvm vtriusque Testamenti de necessitate pie factorum eius qui fidem habet : Epistola de libero arb. : Dissertatio item de arbore bona, de Anti-christo, de intercessione diuorum &c. Plera[que] ab authore locupletata, XXXX, Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/856n02v933-cor.