APA引文

Callahan, D. (1970). Abortion; Law Choice and Morality. Macmillan.

Chicago Edition Citation

Callahan, Daniel. Abortion; Law Choice and Morality. New York: Macmillan, 1970.

MLA引文

Callahan, Daniel. Abortion; Law Choice and Morality. Macmillan, 1970.

警告：这些引文格式不一定是100％准确.