APA (7th ed.) Citation

Awdry, W., & Cook, C. (1979). A Guide to the steam railways of Great Britain. Pelham.

Chicago Style (17th ed.) Citation

Awdry, W., and Chris Cook. A Guide to the Steam Railways of Great Britain. London: Pelham, 1979.

MLA (9th ed.) Citation

Awdry, W., and Chris Cook. A Guide to the Steam Railways of Great Britain. Pelham, 1979.