Cita APA (7th ed.)

Ferguson, H. (1995). Keyboard duets: From the 16th to the 20th century. Oxford University Press.

Cita Chicago (17th ed.)

Ferguson, Howard. Keyboard Duets: From the 16th to the 20th Century. Oxford: Oxford University Press, 1995.

Cita MLA (9th ed.)

Ferguson, Howard. Keyboard Duets: From the 16th to the 20th Century. Oxford University Press, 1995.