Gummere, F. B. (1967). Old English ballads. Russell &Russell.
Cita Chicago (17th ed.)Gummere, Francis B. Old English Ballads. New York: Russell &Russell, 1967.
Cita MLA (9th ed.)Gummere, Francis B. Old English Ballads. Russell &Russell, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.