APA (7th ed.) Citation

LENK J.D. (1919). LENK'S AUDIO HAND BOOK. MCGRAW HILL.

Chicago Style (17th ed.) Citation

LENK J.D. LENK'S AUDIO HAND BOOK. NEW YORK: MCGRAW HILL, 1919.

MLA (9th ed.) Citation

LENK J.D. LENK'S AUDIO HAND BOOK. MCGRAW HILL, 1919.