APA (7th ed.) Citation

Williams, G. A. (1982). The Welsh in their history / Gwyn A. Williams. Croom Helm.

Chicago Style (17th ed.) Citation

Williams, Gwyn A. The Welsh in Their History / Gwyn A. Williams. London: Croom Helm, 1982.

MLA (9th ed.) Citation

Williams, Gwyn A. The Welsh in Their History / Gwyn A. Williams. Croom Helm, 1982.

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