APA (7. basım) Alıntı

Keen, M. H. (1967). A history of Medieval Europe. Routledge & Paul.

Chicago Style (17. basım) Atıf

Keen, Maurice Hugh. A History of Medieval Europe. London: Routledge & Paul, 1967.

MLA (9th ed.) Atıf

Keen, Maurice Hugh. A History of Medieval Europe. Routledge & Paul, 1967.