APA (7th ed.) Citation

Marsden, P. R. V., & Museum of London. (1987). The Roman Forum Site in London: Discoveries before 1985. H.M.S.O..

Chicago Style (17th ed.) Citation

Marsden, Peter Richard Valentine, and Museum of London. The Roman Forum Site in London: Discoveries Before 1985. London: H.M.S.O., 1987.

MLA (8th ed.) Citation

Marsden, Peter Richard Valentine, and Museum of London. The Roman Forum Site in London: Discoveries Before 1985. H.M.S.O., 1987.