APA (7th ed.) Citation

Hartzell, K. D. (1971). The musical repertoire at St.Alban, England, in the twelfth century.

Chicago Style (17th ed.) Citation

Hartzell, Karl Drew. The Musical Repertoire at St.Alban, England, in the Twelfth Century. 1971.

MLA (9th ed.) Citation

Hartzell, Karl Drew. The Musical Repertoire at St.Alban, England, in the Twelfth Century. 1971.

Warning: These citations may not always be 100% accurate.