APA (7th ed.) Citation

Keller, H., & Hewitt, H. M. (1967). The organ works of Bach: A contribution to their history, form, interpretation and performance. C.F. Peters.

Chicago Style (17th ed.) Citation

Keller, Hermann, and Helen Margaret Hewitt. The Organ Works of Bach: A Contribution to Their History, Form, Interpretation and Performance. New York: C.F. Peters, 1967.

MLA (9th ed.) Citation

Keller, Hermann, and Helen Margaret Hewitt. The Organ Works of Bach: A Contribution to Their History, Form, Interpretation and Performance. C.F. Peters, 1967.