Frey, W. N. (1931). The act of religious profession: A brief historical synopsis and commentary. Catholic University of America.
Citação do estilo Chicago (17ª ed.)Frey, Wolfgang Norbert. The Act of Religious Profession: A Brief Historical Synopsis and Commentary. Washington, D.C.: Catholic University of America, 1931.
Citação MLA (8ª ed.)Frey, Wolfgang Norbert. The Act of Religious Profession: A Brief Historical Synopsis and Commentary. Catholic University of America, 1931.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.