APA-viite

Wrenn, C. L. (1968). A study of Old English literature. W. W. Norton.

Chicago-tyylinen lähdeviittaus

Wrenn, C. L. A Study of Old English Literature. New York: W. W. Norton, 1968.

MLA-viite

Wrenn, C. L. A Study of Old English Literature. W. W. Norton, 1968.