APA (7th ed.) Citation

Hughes, D., & Piper, F. (1988). Design Theory / D.R. Hughes and F.C. Piper. Cambridge University Press.

Chicago Style (17th ed.) Citation

Hughes, D.R, and Fred Piper. Design Theory / D.R. Hughes and F.C. Piper. Cambridge: Cambridge University Press, 1988.

MLA (9th ed.) Citation

Hughes, D.R, and Fred Piper. Design Theory / D.R. Hughes and F.C. Piper. Cambridge University Press, 1988.

Warning: These citations may not always be 100% accurate.