Style de citation APA

Bjork, R. E. (2010). The Oxford dictionary of the Middle Ages R - Z. Oxford Univ. Press.

Style de citation Chicago

Bjork, Robert E. The Oxford Dictionary of the Middle Ages R - Z. Oxford [u.a.]: Oxford Univ. Press, 2010.

Style de citation MLA

Bjork, Robert E. The Oxford Dictionary of the Middle Ages R - Z. Oxford Univ. Press, 2010.