Colyer, R. J. (1976). The Welsh cattle drovers: Agriculture and the Welsh cattle trade before and during the nineteenth century. University of Wales Press.
Chicago Style (17th ed.) CitationColyer, Richard J. The Welsh Cattle Drovers: Agriculture and the Welsh Cattle Trade Before and During the Nineteenth Century. Cardiff: University of Wales Press, 1976.
MLA (8th ed.) CitationColyer, Richard J. The Welsh Cattle Drovers: Agriculture and the Welsh Cattle Trade Before and During the Nineteenth Century. University of Wales Press, 1976.
Warning: These citations may not always be 100% accurate.