MLA

Thyssens, Philippus, and Albertus Marcus. Lex Regula Morum, Praesidebit Albertus Marcus... Defendet Philippus Thyssens... .

APA

Thyssens, P., & Marcus, A. Lex regula morum, praesidebit Albertus Marcus... defendet Philippus Thyssens... .

Chicago

Thyssens, Philippus, and Albertus Marcus. Lex Regula Morum, Praesidebit Albertus Marcus... Defendet Philippus Thyssens....