APA (7th ed.) Citation
Otto, F., & Songel, J. M. (2010). A conversation with Frei Otto (English ed.). Princeton Architectural Press.
Chicago Style (17th ed.) Citation
Otto, Frei, and Juan María Songel. A Conversation with Frei Otto. English ed. New York: Princeton Architectural Press, 2010.
MLA (9th ed.) Citation
Otto, Frei, and Juan María Songel. A Conversation with Frei Otto. English ed. Princeton Architectural Press, 2010.
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