MLA

Ferguson, Howard. Keyboard Interpretation From the 14th to the 19th Century: An Introduction. London: Oxford University Press, 1979.

APA

Ferguson, H. (1979). Keyboard Interpretation from the 14th to the 19th Century: An Introduction. London: Oxford University Press.

Chicago

Ferguson, Howard Keyboard Interpretation From the 14th to the 19th Century: An Introduction. London: Oxford University Press, 1979.