Cita APA (7a ed.)
Butler, J. (1992). Abortion, medicine, and the law (4th ed.). Facts on File.
Cita Chicago Style (17a ed.)
Butler, J.Douglas. Abortion, Medicine, and the Law. 4th ed. New York: Facts on File, 1992.
Cita MLA (9a ed.)
Butler, J.Douglas. Abortion, Medicine, and the Law. 4th ed. Facts on File, 1992.
Precaución: Estas citas no son 100% exactas.