Eno, R. B. (1991). 'Forma Petri - Petrus, Figura Ecclesiae': The Uses of Peter. S.n.
Chicago Style (17th ed.) CitationEno, Robert Bryan. 'Forma Petri - Petrus, Figura Ecclesiae': The Uses of Peter. s.l: S.n, 1991.
MLA (9th ed.) CitationEno, Robert Bryan. 'Forma Petri - Petrus, Figura Ecclesiae': The Uses of Peter. S.n, 1991.
Warning: These citations may not always be 100% accurate.