APA (7th ed.) Citation

Hoefler, D. C. (1955). Basic audio course. Gernsback Library.

Chicago Style (17th ed.) Citation

Hoefler, Donald Carl. Basic Audio Course. New York: Gernsback Library, 1955.

MLA (9th ed.) Citation

Hoefler, Donald Carl. Basic Audio Course. Gernsback Library, 1955.

Warning: These citations may not always be 100% accurate.