American Country Life Conference, 13th, Madison, Wisconsin, & American Country Life Association. (1931). Standards of living: Proceedings. Published by the University of Chicago Press for the American Country Life Association.
Citação do estilo Chicago (17ª ed.)American Country Life Conference, 13th, Madison, Wisconsin, e American Country Life Association. Standards of Living: Proceedings. Chicago, Ill.: Published by the University of Chicago Press for the American Country Life Association, 1931.
Citação MLA (8ª ed.)American Country Life Conference, 13th, Madison, Wisconsin, e American Country Life Association. Standards of Living: Proceedings. Published by the University of Chicago Press for the American Country Life Association, 1931.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.