APA (7th ed.) Citation

Cross, J., Gomez, R., & Money, K. (2013). The little black book for managers. Capstone.

Chicago Style (17th ed.) Citation

Cross, John, Rafael Gomez, and Kevin Money. The Little Black Book for Managers. UK: Capstone, 2013.

MLA (9th ed.) Citation

Cross, John, et al. The Little Black Book for Managers. Capstone, 2013.