Cita APA (7th ed.)

Halpern, S. A. (2004). Lesser harms: The morality of risk in medical research. University of Chicago Press.

Cita Chicago (17th ed.)

Halpern, Sydney A. Lesser Harms: The Morality of Risk in Medical Research. Chicago: University of Chicago Press, 2004.

Cita MLA (9th ed.)

Halpern, Sydney A. Lesser Harms: The Morality of Risk in Medical Research. University of Chicago Press, 2004.