Diffrient, N., Tilley, A. R., & Harman, D. (1981). Humanscale 7/8/9: Portfolio of information : 7. Standing and sitting at work, 8. Space planning for the individual and the public, 9. Access for maintenance, stairs, light, and color. MIT Press.
Chicago Style (17th ed.) CitationDiffrient, Niels, Alvin R. Tilley, and David Harman. Humanscale 7/8/9: Portfolio of Information : 7. Standing and Sitting at Work, 8. Space Planning for the Individual and the Public, 9. Access for Maintenance, Stairs, Light, and Color. Cambridge, Mass: MIT Press, 1981.
MLA (9th ed.) CitationDiffrient, Niels, et al. Humanscale 7/8/9: Portfolio of Information : 7. Standing and Sitting at Work, 8. Space Planning for the Individual and the Public, 9. Access for Maintenance, Stairs, Light, and Color. MIT Press, 1981.