Drew, P., & Otto, F. (1976). Frei Otto : form and structure / Philip Drew: Form and structure. Crosby Lockwood Staples.
Chicago Style (17th ed.) CitationDrew, Philip, and Frei Otto. Frei Otto : Form and Structure / Philip Drew: Form and Structure. London: Crosby Lockwood Staples, 1976.
MLA (9th ed.) CitationDrew, Philip, and Frei Otto. Frei Otto : Form and Structure / Philip Drew: Form and Structure. Crosby Lockwood Staples, 1976.
Warning: These citations may not always be 100% accurate.