APA استشهاد

Girvan, R. (1971). Beowulf and the seventh century: Language and content.

استشهاد بنمط شيكاغو

Girvan, Ritchie. Beowulf and the Seventh Century: Language and Content. London, Methuen, 1971.

MLA استشهاد

Girvan, Ritchie. Beowulf and the Seventh Century: Language and Content. 1971.