Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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