APA (7th ed.) Citation

Power, L., & Hamm, C. (1969). Complete works [of] Leonel Power. American Institute of Musicology.

Chicago Style (17th ed.) Citation

Power, Leonel, and Charles Hamm. Complete Works [of] Leonel Power. [Place of publication not identified]: American Institute of Musicology, 1969.

MLA (9th ed.) Citation

Power, Leonel, and Charles Hamm. Complete Works [of] Leonel Power. American Institute of Musicology, 1969.