MLA
Melanchthon, Philipp, 1497-1560. Loci praecipvi theologici, nvnc postremo svmma diligentia recogniti, & aucti. 1555. Richard C. Kessler Reformation Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/211kh18chf-cor.
APA, 6th edition
Melanchthon, Philipp, 1497-1560. (1555)[Loci praecipvi theologici, nvnc postremo svmma diligentia recogniti, & aucti]. Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/211kh18chf-cor.
Chicago
Melanchthon, Philipp, 1497-1560, Loci praecipvi theologici, nvnc postremo svmma diligentia recogniti, & aucti, 1555, Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/211kh18chf-cor.