Callahan, D. (1970). Abortion - law, choice and morality (1. print.). MacMillan.
Cita Chicago Style (17a ed.)Callahan, Daniel. Abortion - Law, Choice and Morality. 1. print. London: MacMillan, 1970.
Cita MLA (9a ed.)Callahan, Daniel. Abortion - Law, Choice and Morality. 1. print. MacMillan, 1970.
Precaución: Estas citas no son 100% exactas.