APA (7th ed.) Citation

Ball, M. J., & Fife, J. (1992). The celtic languages. Routledge.

Chicago Style (17th ed.) Citation

Ball, Martin J., and James Fife. The Celtic Languages. London: Routledge, 1992.

MLA (8th ed.) Citation

Ball, Martin J., and James Fife. The Celtic Languages. Routledge, 1992.

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