APA Citation

Coelho, & Clarke. (2007). The valkyries. London: HarperCollins.

Chicago Style Citation

Coelho, and Clarke. The Valkyries. London: HarperCollins, 2007.

MLA Citation

Coelho, and Clarke. The Valkyries. London: HarperCollins, 2007.

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