APA
Sprenger F. . W. E., . (1958). Translations of the Beltone Institute for Hearing Research -No 14. : Beltone Institute For Hearing Research.
Chicago
Sprenger F.H Wustenfeld E, . 1958. Translations of the Beltone Institute for Hearing Research -No 14. : Beltone Institute For Hearing Research.
Harvard
Sprenger F. . W. E., . (1958). Translations of the Beltone Institute for Hearing Research -No 14. : Beltone Institute For Hearing Research.
MLA
Sprenger F.H Wustenfeld E, . Translations of the Beltone Institute for Hearing Research -No 14. : Beltone Institute For Hearing Research. 1958.