APA (7th ed.) Citation

Williams, G. (1952). An introduction to Welsh poetry: From the beginnings to the sixteenth century. Dufour Editions/Albert Saifer.

Chicago Style (17th ed.) Citation

Williams, Gwyn. An Introduction to Welsh Poetry: From the Beginnings to the Sixteenth Century. Philadelphia: Dufour Editions/Albert Saifer, 1952.

MLA (9th ed.) Citation

Williams, Gwyn. An Introduction to Welsh Poetry: From the Beginnings to the Sixteenth Century. Dufour Editions/Albert Saifer, 1952.