APA (7th ed.) Citation

Brand-Koolen, M. J., Coster, A., & Tigges, L. C. (1979). Experience gained with a time-study. Research and Documentation Centre.

Chicago Style (17th ed.) Citation

Brand-Koolen, Maria J., Aarnout Coster, and Leo C. Tigges. "Experience Gained with a Time-study." Research and Documentation Centre 1979.

MLA (8th ed.) Citation

Brand-Koolen, Maria J., et al. "Experience Gained with a Time-study." Research and Documentation Centre, 1979.