APA (7th ed.) Citation

Great Britain. Dept. of the Environment. Headquarters Library & Walsh, J. V. (1975). Historic buildings: Preservation policy. The Library.

Chicago Style (17th ed.) Citation

Great Britain. Dept. of the Environment. Headquarters Library and Joan V. Walsh. Historic Buildings: Preservation Policy. [London: The Library, 1975.

MLA (8th ed.) Citation

Great Britain. Dept. of the Environment. Headquarters Library and Joan V. Walsh. Historic Buildings: Preservation Policy. The Library, 1975.