Cita APA (7a ed.)

Hardy, C. O. (1924). Risk and risk-bearing (2nd impression.). University of Chicago Press.

Cita Chicago Style (17a ed.)

Hardy, Charles Oscar. Risk and Risk-bearing. 2nd impression. Chicago: University of Chicago Press, 1924.

Cita MLA (9a ed.)

Hardy, Charles Oscar. Risk and Risk-bearing. 2nd impression. University of Chicago Press, 1924.