MLA

Hughes, Stephen. The Archaeology of an Early Railway System : The Brecon Forest Tramroads. Aberystwyth, Dyfed: Royal Commission on ancient and historical monuments in Wales, 1990.

APA

Hughes, S. (1990). The archaeology of an early railway system : The Brecon Forest tramroads. Aberystwyth, Dyfed: Royal Commission on ancient and historical monuments in Wales.

Chicago

Hughes, Stephen The Archaeology of an Early Railway System: The Brecon Forest Tramroads. Aberystwyth, Dyfed: Royal Commission on ancient and historical monuments in Wales, 1990.