APA (7th ed.) Citation

SONGEL JUAN MARIA. (2010). CONVERSATION WITH FREI OTTO. PRINCETON ARCHITECTURAL PRESS/NEW YORK.

Chicago Style (17th ed.) Citation

SONGEL JUAN MARIA. CONVERSATION WITH FREI OTTO. PRINCETON ARCHITECTURAL PRESS/NEW YORK, 2010.

MLA (9th ed.) Citation

SONGEL JUAN MARIA. CONVERSATION WITH FREI OTTO. PRINCETON ARCHITECTURAL PRESS/NEW YORK, 2010.

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