Gaya APA

Morrall, J. (-1960). Political thought in medieval times, (2nd ed). - Hutchinson university library, history. Penerbitan asli 1958. . London: Hutchinson.

Gaya MLA

Morrall, J.B.. "Political thought in medieval times, (2nd ed). - Hutchinson university library, history. Penerbitan asli 1958. ". London: Hutchinson, -1960. Buku.