Prolegomena to the Ars grammatica Bonifatii ...
APA Citation
Gebauer, G. John. (1942). Prolegomena to the Ars grammatica Bonifatii ... Chicago, Ill..
MLA Citation
Gebauer, George John, 1899-1969. Prolegomena to the Ars Grammatica Bonifatii ... Chicago, Ill., 1942.
Warning: These citations may not always be complete (especially for serials).