APA (7th ed.) Citation

Knight, F. H. (1971). Risk, uncertainty and profit (Reprint of 1921 ed.). Univ. of Chicago Press.

Chicago Style (17th ed.) Citation

Knight, Frank Hyneman. Risk, Uncertainty and Profit. Reprint of 1921 ed. Chicago [u.a.]: Univ. of Chicago Press, 1971.

MLA (9th ed.) Citation

Knight, Frank Hyneman. Risk, Uncertainty and Profit. Reprint of 1921 ed. Univ. of Chicago Press, 1971.