Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

American Country Life Conference, 13th, Madison, Wisconsin, y American Country Life Association. Standards of Living: Proceedings. Chicago, Ill.: Published by the University of Chicago Press for the American Country Life Association, 1931.

Cita MLA (8a ed.)

American Country Life Conference, 13th, Madison, Wisconsin, y American Country Life Association. Standards of Living: Proceedings. Published by the University of Chicago Press for the American Country Life Association, 1931.