Cita APA (7th ed.)

Tribe, L. H. (1992). Abortion: The clash of absolutes (New ed.). Norton.

Cita Chicago (17th ed.)

Tribe, Laurence H. Abortion: The Clash of Absolutes. New ed. New York: Norton, 1992.

Cita MLA (8th ed.)

Tribe, Laurence H. Abortion: The Clash of Absolutes. New ed. Norton, 1992.