Cita APA (7a ed.)

Skidelsky, R. (1994). John Maynard Keynes. Penguin Books.

Cita Chicago Style (17a ed.)

Skidelsky, Robert. John Maynard Keynes. New York: Penguin Books, 1994.

Cita MLA (8a ed.)

Skidelsky, Robert. John Maynard Keynes. Penguin Books, 1994.