APA (7th ed.) Citation

Clarkson, T. J. (2010). The Picts: A history (rev. ed.). John Donald.

Chicago Style (17th ed.) Citation

Clarkson, T. J. The Picts: A History. rev. ed. Edinburgh: John Donald, 2010.

MLA (9th ed.) Citation

Clarkson, T. J. The Picts: A History. rev. ed. John Donald, 2010.