Cita APA (7a ed.)

Russell, O. R., & Russell, O. R. (1977). Freedom to die: Moral and legal aspects of euthanasia (Rev. ed.). Human Sciences Press.

Cita Chicago Style (17a ed.)

Russell, Olive R., y Olive Ruth Russell. Freedom to Die: Moral and Legal Aspects of Euthanasia. Rev. ed. New York [u.a.]: Human Sciences Press, 1977.

Cita MLA (8a ed.)

Russell, Olive R., y Olive Ruth Russell. Freedom to Die: Moral and Legal Aspects of Euthanasia. Rev. ed. Human Sciences Press, 1977.