Cita APA (7a ed.)

Walters, W. A. W., & Singer, P. (1984). Test-tube babies: A guide to moral questions, present techniques and future possibilities. Oxford University Press.

Cita Chicago Style (17a ed.)

Walters, William A. W., y Peter Singer. Test-tube Babies: A Guide to Moral Questions, Present Techniques and Future Possibilities. Melbourne [etc.]: Oxford University Press, 1984.

Cita MLA (9a ed.)

Walters, William A. W., y Peter Singer. Test-tube Babies: A Guide to Moral Questions, Present Techniques and Future Possibilities. Oxford University Press, 1984.