APA (7th ed.) Citation

Steenstrup, J. C. H. R., & Cox, E. G. (1914). The medieval popular ballad. Ginn.

Chicago Style (17th ed.) Citation

Steenstrup, Johannes C. H. R., and Edward Godfrey Cox. The Medieval Popular Ballad. Boston: Ginn, 1914.

MLA (8th ed.) Citation

Steenstrup, Johannes C. H. R., and Edward Godfrey Cox. The Medieval Popular Ballad. Ginn, 1914.