APA ציטוט

Gummere, F. B. (1959). The popular ballad. New York: Dover Publications.

Trích dẫn kiểu Chicago

Gummere, Francis Barton. The Popular Ballad. New York: Dover Publications, 1959.

ציטוט MLA

Gummere, Francis Barton. The Popular Ballad. New York: Dover Publications, 1959.