APA (7th ed.) Citation

Great Britain. Ministry of Transport, Great Britain. Department of the Environment, & Great Britain. Department of Transport. Passenger transport in Great Britain. H.M.S.O.

Chicago Style (17th ed.) Citation

Great Britain. Ministry of Transport, Great Britain. Department of the Environment, and Great Britain. Department of Transport. Passenger Transport in Great Britain. London: H.M.S.O.

MLA (9th ed.) Citation

Great Britain. Ministry of Transport, et al. Passenger Transport in Great Britain. H.M.S.O.

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