APA (7th ed.) Citation

ScienceDirect (Online service), Berry, A. D., & Duhig, T. (1987). Integrated project control. Pergamon Infotech.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), A. D. Berry, and T. Duhig. Integrated Project Control. Oxford [Oxfordshire]: Pergamon Infotech, 1987.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Integrated Project Control. Pergamon Infotech, 1987.