Citazione APA

Catholic Church. Pontifical Council for the Family & United States Catholic Conference. (1991). In the service of life: Instrumentum laboris. Office for Publishing and Promotion Services, United States Catholic Conference.

Stile di citazione Chicago

Catholic Church. Pontifical Council for the Family e United States Catholic Conference. In the Service of Life: Instrumentum Laboris. Washington, D.C.: Office for Publishing and Promotion Services, United States Catholic Conference, 1991.

Citazione MLA

Catholic Church. Pontifical Council for the Family e United States Catholic Conference. In the Service of Life: Instrumentum Laboris. Office for Publishing and Promotion Services, United States Catholic Conference, 1991.