APA (7th ed.) Citation

Pankuch, J., & Ferienčík, J. A. (1925). Hlas =: Voice. The John Pankuch Co..

Chicago Style (17th ed.) Citation

Pankuch, Ján, and Ján A. Ferienčík. Hlas =: Voice. Cleveland, Ohio: The John Pankuch Co., 1925.

MLA (8th ed.) Citation

Pankuch, Ján, and Ján A. Ferienčík. Hlas =: Voice. The John Pankuch Co., 1925.