Citazione Stile APA (7a Edizione)

Diffrient, N., Tilley, A. R., & Harman, D. (1981). Humanscale 4/5/6: A portfolio of information: 4. Human strength and safety, 5. Controls and displays, 6. Designing for people. MIT Press.

Citazione stile Chigago Style (17a edizione)

Diffrient, Niels, Alvin R. Tilley, e David Harman. Humanscale 4/5/6: A Portfolio of Information: 4. Human Strength and Safety, 5. Controls and Displays, 6. Designing for People. Cambridge, Mass: MIT Press, 1981.

Citatione MLA (9a ed.)

Diffrient, Niels, et al. Humanscale 4/5/6: A Portfolio of Information: 4. Human Strength and Safety, 5. Controls and Displays, 6. Designing for People. MIT Press, 1981.