APA (7th ed.) Citation

Great Britain. Ordnance Survey, London Transport Executive, & Lewis, B. G. (1963). London transport: Central buses. Waterlow & Sons Limited.

Chicago Style (17th ed.) Citation

Great Britain. Ordnance Survey, London Transport Executive, and B. G. Lewis. London Transport: Central Buses. Great Britain: Waterlow & Sons Limited, 1963.

MLA (9th ed.) Citation

Great Britain. Ordnance Survey, et al. London Transport: Central Buses. Waterlow & Sons Limited, 1963.