APA (7th ed.) Citation

Dubbs, R. B., Childs, S. B., & Mitta, D. A. (1993). The effect of comment and code style on software maintenance.

Chicago Style (17th ed.) Citation

Dubbs, Roger Bruce, S. Bart Childs, and Deborah A. Mitta. The Effect of Comment and Code Style on Software Maintenance. 1993.

MLA (9th ed.) Citation

Dubbs, Roger Bruce, et al. The Effect of Comment and Code Style on Software Maintenance. 1993.