APA (7th ed.) Citation

Cook, M. N., Hernandez, J. J., & Nicholson, S. (2001). Numeric Data Products and Services. SPEC Kit.

Chicago Style (17th ed.) Citation

Cook, Michael N., John J. Hernandez, and Shawn Nicholson. Numeric Data Products and Services. SPEC Kit. 2001.

MLA (9th ed.) Citation

Cook, Michael N., et al. Numeric Data Products and Services. SPEC Kit. 2001.