Petrus, R. (1990). Aurea opuscula Celeberrimi Juris vtriusq[ue] Doctoris [et] Equitis aurati d[omi]ni Petri Raue[n]natis Jtali in vniuersitate Grisualden[si] vtrumq[ue] Jus ordinarie lege[n]tis: Cu[m] additionib[us] in fine politis q[uae] no[n] sunt in prima impressione Et cu[m] artificiosa memoria. Saur.
Chicago Style (17th ed.) CitationPetrus, Ravennas. Aurea Opuscula Celeberrimi Juris Vtriusq[ue] Doctoris [et] Equitis Aurati D[omi]ni Petri Raue[n]natis Jtali in Vniuersitate Grisualden[si] Vtrumq[ue] Jus Ordinarie Lege[n]tis: Cu[m] Additionib[us] in Fine Politis Q[uae] No[n] Sunt in Prima Impressione Et Cu[m] Artificiosa Memoria. München: Saur, 1990.
MLA (9th ed.) CitationPetrus, Ravennas. Aurea Opuscula Celeberrimi Juris Vtriusq[ue] Doctoris [et] Equitis Aurati D[omi]ni Petri Raue[n]natis Jtali in Vniuersitate Grisualden[si] Vtrumq[ue] Jus Ordinarie Lege[n]tis: Cu[m] Additionib[us] in Fine Politis Q[uae] No[n] Sunt in Prima Impressione Et Cu[m] Artificiosa Memoria. Saur, 1990.