A variety of methods are acceptable, such as: ST I–II, q. As with many ancient or medieval texts, it is prudent to give the 'internal reference' and not just the page numbers of the. Thomas Aquinas' Summa Theologica can be cited as a footnote or endnote in a variety of similar ways. Thomas Aquinas Summa Theologica can be cited as a footnote or endnote in a variety of similar ways. Summa Theologica - Theological Citations - Research Guides at University of Mary. (There is no uniform method of citing medieval texts. Summa Theologica - Theological Citations - Research Guides at University of Mary. (When referring to the Latin text, use the Leonine edition wherever it is available.) In other words, only the Summa theologiae may be cited with only the “internal citation,” such as ST 1a2ae.8.1. 4.09 avg rating 173 ratings published 1274 26 editions. Summa Theologica, Part I-II (Pars Prima Secundae) From the Complete American Edition. On the other hand, works of medieval authors, other than Aquinas’s Summa theologiae, must be cited with the “external reference” in addition to the “internal reference,” i.e., with page references to the translation or edition used. 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars. When citing medieval authors, give the “internal reference,” not only the “external one.” For example, when citing from Aquinas’s De malo, do not merely indicate the page number of your edition or translation, but also the reference to question and article.ī. Choose the initial citation that conforms to your assigned style manual.Ī.