Citazione Stile APA (7a Edizione)

Apel, W. (1955). Harvard dictionary of music (9th printing.). Harvard University Press.

Citazione stile Chigago Style (17a edizione)

Apel, Willi. Harvard Dictionary of Music. 9th printing. Cambridge, Massachusetts: Harvard University Press, 1955.

Citatione MLA (9a ed.)

Apel, Willi. Harvard Dictionary of Music. 9th printing. Harvard University Press, 1955.