APA (7th ed.) Citation

Harwood, E., & Saint, A. (1991). London / Elain Harwood and Andrew Saint. Published in association with English Heritage [by] HMSO.

Chicago Style (17th ed.) Citation

Harwood, Elain, and Andrew Saint. London / Elain Harwood and Andrew Saint. London: Published in association with English Heritage [by] HMSO, 1991.

MLA (9th ed.) Citation

Harwood, Elain, and Andrew Saint. London / Elain Harwood and Andrew Saint. Published in association with English Heritage [by] HMSO, 1991.

Warning: These citations may not always be 100% accurate.