Cita APA (7a ed.)

Hardwig, J., & Hentoff, N. (2000). Is there a duty to die?: And other essays in bio-ethics. Routledge.

Cita Chicago Style (17a ed.)

Hardwig, John, y Nat Hentoff. Is There a Duty to Die?: And Other Essays in Bio-ethics. New York: Routledge, 2000.

Cita MLA (9a ed.)

Hardwig, John, y Nat Hentoff. Is There a Duty to Die?: And Other Essays in Bio-ethics. Routledge, 2000.