Cita APA

U.S. Department of Housing and Urban Development. (1968). Urban and regional information systems: Support for planning in metropolitan areas. s.n.

Citación estilo Chicago

U.S. Department of Housing and Urban Development. Urban and Regional Information Systems: Support for Planning in Metropolitan Areas. Washington, D. C: s.n, 1968.

Cita MLA

U.S. Department of Housing and Urban Development. Urban and Regional Information Systems: Support for Planning in Metropolitan Areas. s.n, 1968.