APA (7th ed.) Citation

Gibbons, J., Lester, D., & Bird, R. (2006). Enumerating the rationals.

Chicago Style (17th ed.) Citation

Gibbons, J., D. Lester, and R. Bird. Enumerating the Rationals. 2006.

MLA (9th ed.) Citation

Gibbons, J., et al. Enumerating the Rationals. 2006.