APA aipamena

Whistler, H. S., & Hummel, H. A. (1954). First etude album for violin. Rubank.

Chicago Style aipamena

Whistler, Harvey S., and Herman A. Hummel. First Etude Album for Violin. Chicago, IL: Rubank, 1954.

MLA aipamena

Whistler, Harvey S., and Herman A. Hummel. First Etude Album for Violin. Rubank, 1954.