APA (7th ed.) Citation

British Architectural Library, Royal Institute of British Architects. Library, & Sir Banister Fletcher Library. (1972). Architectural periodicals index. British Architectural Library.

Chicago Style (17th ed.) Citation

British Architectural Library, Royal Institute of British Architects. Library, and Sir Banister Fletcher Library. Architectural Periodicals Index. London: British Architectural Library, 1972.

MLA (8th ed.) Citation

British Architectural Library, et al. Architectural Periodicals Index. British Architectural Library, 1972.