APA (7th ed.) Citation

London Transport Board & London Transport Board. (1965). Welcome: London Transport. Cook, Hammond & Kell Ltd...

Chicago Style (17th ed.) Citation

London Transport Board and London Transport Board. Welcome: London Transport. London: Cook, Hammond & Kell Ltd.., 1965.

MLA (9th ed.) Citation

London Transport Board and London Transport Board. Welcome: London Transport. Cook, Hammond & Kell Ltd.., 1965.