APA (7th ed.) Citation

Stowens, B. H., Baecher, E., & Pritchard, M. (1974). Interactive project management system: User's guide. Scientific Time Sharing Corp..

Chicago Style (17th ed.) Citation

Stowens, Bernard H., Elizabeth Baecher, and Marilyn Pritchard. Interactive Project Management System: User's Guide. Bethesda, Md.: Scientific Time Sharing Corp., 1974.

MLA (9th ed.) Citation

Stowens, Bernard H., et al. Interactive Project Management System: User's Guide. Scientific Time Sharing Corp., 1974.