APA (7th ed.) Citation

Semper, G. (1989). The four elements of architecture and other writings. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Semper, Gottfried. The Four Elements of Architecture and Other Writings. Cambridge [u.a.]: Cambridge Univ. Press, 1989.

MLA (9th ed.) Citation

Semper, Gottfried. The Four Elements of Architecture and Other Writings. Cambridge Univ. Press, 1989.