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Catechesis, illustriss, principi Francisco Othoni, Brunsuicensium, Luneburgensium[q́ue] duci, puero generosissimo, & toti scholae ducali dicata,

MLA

Rhegius, Urbanus, 1489-1541, author. Catechesis, illustriss, principi Francisco Othoni, Brunsuicensium, Luneburgensium[q́ue] duci, puero generosissimo, & toti scholae ducali dicata,. XXXX. Richard C. Kessler Reformation Collection. Pitts Theology Library. https://digital.library.emory.edu/purl/53976hdt4z-cor.

APA, 6th edition

Rhegius, Urbanus, 1489-1541, author. (XXXX)[Catechesis, illustriss, principi Francisco Othoni, Brunsuicensium, Luneburgensium[q́ue] duci, puero generosissimo, & toti scholae ducali dicata,]. Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/53976hdt4z-cor.

Chicago

Rhegius, Urbanus, 1489-1541, author, Catechesis, illustriss, principi Francisco Othoni, Brunsuicensium, Luneburgensium[q́ue] duci, puero generosissimo, & toti scholae ducali dicata,, XXXX, Richard C. Kessler Reformation Collection, Pitts Theology Library. https://digital.library.emory.edu/purl/53976hdt4z-cor.