APA (7th ed.) Citation

Gibb, D. E. (1957). Lloyd's of London: A study in individualism. Macmillan.

Chicago Style (17th ed.) Citation

Gibb, David E. Lloyd's of London: A Study in Individualism. London: Macmillan, 1957.

MLA (9th ed.) Citation

Gibb, David E. Lloyd's of London: A Study in Individualism. Macmillan, 1957.