APA (7th ed.) Citation

Adamson, B., Dixon, M., Spenner, P., & Toman, N. (2015). The challenger customer: Selling to the hidden influencer who can multiply your results. Portfolio/Penguin.

Chicago Style (17th ed.) Citation

Adamson, Brent, Matthew Dixon, Pat Spenner, and Nick Toman. The Challenger Customer: Selling to the Hidden Influencer Who Can Multiply Your Results. New York: Portfolio/Penguin, 2015.

MLA (9th ed.) Citation

Adamson, Brent, et al. The Challenger Customer: Selling to the Hidden Influencer Who Can Multiply Your Results. Portfolio/Penguin, 2015.