Cita APA (7a ed.)

Peel, L., Powell, P., & Garrett, A. (1989). An Introduction to 20 th Century Architecture. The Apple Press.

Cita Chicago Style (17a ed.)

Peel, Lucy, Polly Powell, y Alexander Garrett. An Introduction to 20 Th Century Architecture. Londres: The Apple Press, 1989.

Cita MLA (9a ed.)

Peel, Lucy, et al. An Introduction to 20 Th Century Architecture. The Apple Press, 1989.