APA (7th ed.) Citation

London Transport Executive. (1979). 150 years of London's buses: A commemorative brochure. London Transport Executive.

Chicago Style (17th ed.) Citation

London Transport Executive. 150 Years of London's Buses: A Commemorative Brochure. London: London Transport Executive, 1979.

MLA (9th ed.) Citation

London Transport Executive. 150 Years of London's Buses: A Commemorative Brochure. London Transport Executive, 1979.

Warning: These citations may not always be 100% accurate.