Gaya APA

Lerner, R, A, M, E. (1963). Medieval political, philosophy, a sourcebook, with the collaboration of E.L.Fortin. . [New York]: Free Press of Glencoe.

Gaya MLA

Lerner, R., And, M.Mahdi.,, Ed.. "Medieval political, philosophy, a sourcebook, with the collaboration of E.L.Fortin. ". [New York]: Free Press of Glencoe, 1963. Buku.