APA-viite (7. p.)

Nathanielsz, P. W. (1994). A Time to be born: The life of the unborn child. Oxford University Press.

Chicago-viite (17. p.)

Nathanielsz, Peter W. A Time to Be Born: The Life of the Unborn Child. Oxford: Oxford University Press, 1994.

MLA-viite (9. p.)

Nathanielsz, Peter W. A Time to Be Born: The Life of the Unborn Child. Oxford University Press, 1994.