Introducing music
MLA
Károlyi, Ottó. Introducing Music. Repr. Harmondsworth: Penguin books, 1967.
APA
Károlyi, O. (1967). Introducing music. Repr. Harmondsworth: Penguin books.
Chicago
Károlyi, Ottó Introducing Music. Repr. Harmondsworth: Penguin books, 1967.