APA (7th ed.) Citation

Sage, Fox, J., & Stine, R. (1997). Statistical computing environments for social research. Sage.

Chicago Style (17th ed.) Citation

Sage, J. Fox, and R. Stine. Statistical Computing Environments for Social Research. London: Sage, 1997.

MLA (8th ed.) Citation

Sage, et al. Statistical Computing Environments for Social Research. Sage, 1997.