APA (7th ed.) Citation

Clarke, A. (1970). The Celtic twilight and the nineties. Dufour.

Chicago Style (17th ed.) Citation

Clarke, Austin. The Celtic Twilight and the Nineties. Chester Springs, Pa. [u.a.]: Dufour, 1970.

MLA (9th ed.) Citation

Clarke, Austin. The Celtic Twilight and the Nineties. Dufour, 1970.

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