National Committee on Maternal Health (U.S.) & Engle, E. T. (2017). The problem of fertility: Proceedings of the Conference on Fertility held under the auspices of the National Committee on Maternal Health (Princeton legacy library edition.). Princeton University Press.
Style de citation Chicago (17e éd.)National Committee on Maternal Health (U.S.) et Earl T. Engle. The Problem of Fertility: Proceedings of the Conference on Fertility Held Under the Auspices of the National Committee on Maternal Health. Princeton legacy library edition. Princeton, N.J.: Princeton University Press, 2017.
Style de citation MLA (8e éd.)National Committee on Maternal Health (U.S.) et Earl T. Engle. The Problem of Fertility: Proceedings of the Conference on Fertility Held Under the Auspices of the National Committee on Maternal Health. Princeton legacy library edition. Princeton University Press, 2017.