Ker, W. P. (1908). Epic and romances: Essays on medevial literature (by W.P. Ker...). Macmillan and co., limited.
Čikaški stil citiranja (17. izdanje)Ker, William Paton. Epic and Romances: Essays on Medevial Literature (by W.P. Ker...). London: Macmillan and co., limited, 1908.
MLA način citiranja (9. izdanje)Ker, William Paton. Epic and Romances: Essays on Medevial Literature (by W.P. Ker...). Macmillan and co., limited, 1908.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.