APA aipamena

Research Conference on Natural Family Planning Warrenton, Va., Human Life Foundation, Center for Population Research (National Institute of Child Health and Human Development), Uricchio, W. A., & Williams, M. K. (1973). Proceedings of a Research Conference on Natural Family Planning: Edited by William A. Uricchio. Human Life Foundation.

Chicago Style aipamena

Research Conference on Natural Family Planning Warrenton, Va., Human Life Foundation, Center for Population Research (National Institute of Child Health and Human Development), William A. Uricchio, and Mary Kay Williams. Proceedings of a Research Conference on Natural Family Planning: Edited by William A. Uricchio. Washington: Human Life Foundation, 1973.

MLA aipamena

Research Conference on Natural Family Planning Warrenton, Va., et al. Proceedings of a Research Conference on Natural Family Planning: Edited by William A. Uricchio. Human Life Foundation, 1973.