Verbum abbreviatum : opus morale ab annis fere quingentis conscriptum...

MLA

Petrus Cantor, and Georges Galopin. Verbum Abbreviatum : Opus Morale Ab Annis Fere Quingentis Conscriptum... .

APA

Petrus Cantor, P. Cantor, & Galopin, G. Verbum abbreviatum : opus morale ab annis fere quingentis conscriptum... .

Chicago

Petrus Cantor., and Georges Galopin. Verbum Abbreviatum : Opus Morale Ab Annis Fere Quingentis Conscriptum....