MLA

Rees, Jim, David Gwyn, and Paul Jarman. The Conservation of Operational Steam Locomotives. London: Oxford university press, 2010.

APA

Rees, J., Gwyn, D., & Jarman, P. (2010). The conservation of operational steam locomotives. London: Oxford university press.

Chicago

Rees, Jim, David Gwyn, and Paul Jarman. The Conservation of Operational Steam Locomotives. London: Oxford university press, 2010.