APA (7th ed.) Citation

Hemmings, M. (1985). Downloading from commercial online databases: A survey of recent developments in online information retrieval. British Library].

Chicago Style (17th ed.) Citation

Hemmings, Margaret. Downloading from Commercial Online Databases: A Survey of Recent Developments in Online Information Retrieval. [London: British Library], 1985.

MLA (9th ed.) Citation

Hemmings, Margaret. Downloading from Commercial Online Databases: A Survey of Recent Developments in Online Information Retrieval. British Library], 1985.