The ethics of human cloning.

MLA

Kass, Leon, and James Q Wilson. The Ethics of Human Cloning. Washington: AEI, 1998.

APA

Kass, L., & Wilson, J. Q. (1998). The ethics of human cloning. Washington: AEI.

Chicago

Kass, Leon., and James Q Wilson. The Ethics of Human Cloning. Washington: AEI, 1998.