APA (7th ed.) Citation

Roland, C. (1970). Frei Otto: Tension structures. Praeger.

Chicago Style (17th ed.) Citation

Roland, Conrad. Frei Otto: Tension Structures. Nueva York: Praeger, 1970.

MLA (9th ed.) Citation

Roland, Conrad. Frei Otto: Tension Structures. Praeger, 1970.

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