APA (7th ed.) Citation

Butler, M. K., Kay, A., & Booth, D. J. (2000). The Use of the Internet in Teaching Mathematics (Group B).

Chicago Style (17th ed.) Citation

Butler, M. K., A. Kay, and D. J. Booth. The Use of the Internet in Teaching Mathematics (Group B). 2000.

MLA (9th ed.) Citation

Butler, M. K., et al. The Use of the Internet in Teaching Mathematics (Group B). 2000.