APA (7th ed.) Zitazioa

Ankerberg, J., & Weldon, J. (1989). When does life begin?: And 39 other tough questions about abortion. Wolgemuth & Hyatt.

Chicago Style (17th ed.) Zitazioa

Ankerberg, John, eta John Weldon. When Does Life Begin?: And 39 Other Tough Questions About Abortion. Brentwood, Tenn.: Wolgemuth & Hyatt, 1989.

MLA (9th ed.) Zitazioa

Ankerberg, John, eta John Weldon. When Does Life Begin?: And 39 Other Tough Questions About Abortion. Wolgemuth & Hyatt, 1989.