APA (7th ed.) Citation

Armatys, J., Askham, P., & Green, M. (2009). Principles of valuation. EG Books.

Chicago Style (17th ed.) Citation

Armatys, John, Phil Askham, and Mike Green. Principles of Valuation. London: EG Books, 2009.

MLA (8th ed.) Citation

Armatys, John, et al. Principles of Valuation. EG Books, 2009.