APA (7th ed.) Citation

Allen, W. D. (1939). Philosophies of music history. American Book Company.

Chicago Style (17th ed.) Citation

Allen, Warren Dwight. Philosophies of Music History. New York, Boston: American Book Company, 1939.

MLA (9th ed.) Citation

Allen, Warren Dwight. Philosophies of Music History. American Book Company, 1939.