APA (7th ed.) Citation

(1990). Frei Otto. Grosvenor Pr. Internat.

Chicago Style (17th ed.) Citation

Frei Otto. London: Grosvenor Pr. Internat, 1990.

MLA (9th ed.) Citation

Frei Otto. Grosvenor Pr. Internat, 1990.

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