APA (7th ed.) Citation

Beth, T., Jungnickel, D., & Lenz, H. (1999). Design theory / Thomas Beth, Dieter Jungnickel, Hanfried Lenz (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Beth, Thomas, Dieter Jungnickel, and Hanfried Lenz. Design Theory / Thomas Beth, Dieter Jungnickel, Hanfried Lenz. 2nd ed. Cambridge: Cambridge University Press, 1999.

MLA (9th ed.) Citation

Beth, Thomas, et al. Design Theory / Thomas Beth, Dieter Jungnickel, Hanfried Lenz. 2nd ed. Cambridge University Press, 1999.

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