APA (7th ed.) Citation

Fisher, I. (1977). The theory of interest, as determined by impatience to spend income and opportunity to invest it. Porcupine P..

Chicago Style (17th ed.) Citation

Fisher, Irving. The Theory of Interest, as Determined by Impatience to Spend Income and Opportunity to Invest It. Philadelphia: Porcupine P., 1977.

MLA (9th ed.) Citation

Fisher, Irving. The Theory of Interest, as Determined by Impatience to Spend Income and Opportunity to Invest It. Porcupine P., 1977.