Cita APA (7th ed.)

Great Britain. Central Unit for Environmental Planning, Great Britain. Dept. of the Environment, & Great Britain. Welsh Office. (1971). Severnside: A feasibility study. H.M.S.O.

Cita Chicago (17th ed.)

Great Britain. Central Unit for Environmental Planning, Great Britain. Dept. of the Environment, i Great Britain. Welsh Office. Severnside: A Feasibility Study. London: H.M.S.O, 1971.

Cita MLA (9th ed.)

Great Britain. Central Unit for Environmental Planning, et al. Severnside: A Feasibility Study. H.M.S.O, 1971.