APA-viite (7. p.)

Morowitz, H. J., & Trefil, J. S. (1992). The facts of life: Science and the abortion controversy. Oxford University Press.

Chicago-viite (17. p.)

Morowitz, Harold J., ja James S. Trefil. The Facts of Life: Science and the Abortion Controversy. New York: Oxford University Press, 1992.

MLA-viite (9. p.)

Morowitz, Harold J., ja James S. Trefil. The Facts of Life: Science and the Abortion Controversy. Oxford University Press, 1992.