Cita APA (7a ed.)

Knight, F. H. (2002). Risk, uncertainty and profit. BeardBooks.

Cita Chicago Style (17a ed.)

Knight, Frank H. Risk, Uncertainty and Profit. Washington: BeardBooks, 2002.

Cita MLA (9a ed.)

Knight, Frank H. Risk, Uncertainty and Profit. BeardBooks, 2002.