APA (7th ed.) Citation

Academy of Motion Picture Arts and Sciences & Cowan, L. (1931). Recording sound for motion pictures. McGraw-Hill.

Chicago Style (17th ed.) Citation

Academy of Motion Picture Arts and Sciences and Lester Cowan. Recording Sound for Motion Pictures. New York, London: McGraw-Hill, 1931.

MLA (9th ed.) Citation

Academy of Motion Picture Arts and Sciences and Lester Cowan. Recording Sound for Motion Pictures. McGraw-Hill, 1931.