APA (7th ed.) Citation

London Transport Board, Waterlow and Sons, & Lewis, B. G. (1967). London Transport central buses. London Transport.

Chicago Style (17th ed.) Citation

London Transport Board, Waterlow and Sons, and B. G. Lewis. London Transport Central Buses. [London]: London Transport, 1967.

MLA (9th ed.) Citation

London Transport Board, et al. London Transport Central Buses. London Transport, 1967.