Pontificia Academia pro vita. Assembly, Vial Correa, J. d. D., & Sgreccia, E. (1999). Identity and status of the human embryo: Proceedings of the Third Assembly of the Pontifical Academy for Life (Vatican City, February 14-16, 1997) (2nd ed.). Libreria Editrice Vaticana.
Chicago Style (17th ed.) CitationPontificia Academia pro vita. Assembly, Juan de Dios Vial Correa, and Elio Sgreccia. Identity and Status of the Human Embryo: Proceedings of the Third Assembly of the Pontifical Academy for Life (Vatican City, February 14-16, 1997). 2nd ed. Città del Vaticano: Libreria Editrice Vaticana, 1999.
MLA (9th ed.) CitationPontificia Academia pro vita. Assembly, et al. Identity and Status of the Human Embryo: Proceedings of the Third Assembly of the Pontifical Academy for Life (Vatican City, February 14-16, 1997). 2nd ed. Libreria Editrice Vaticana, 1999.