APA (7th ed.) Citation

Seldon, A., Snowdon, P., & Collings, D. (2007). Blair unbound. Simon & Schuster.

Chicago Style (17th ed.) Citation

Seldon, Anthony, Peter Snowdon, and Daniel Collings. Blair Unbound. London ; New York: Simon & Schuster, 2007.

MLA (9th ed.) Citation

Seldon, Anthony, et al. Blair Unbound. Simon & Schuster, 2007.