APA (7th ed.) Citation

Grafe, C. 1., & Speaks, M. (1997). Nine + one: Ten young dutch architectural offices. Nai Publishers.

Chicago Style (17th ed.) Citation

Grafe, Christoph 1960, and Michael Speaks. Nine + One: Ten Young Dutch Architectural Offices. Rotterdam: Nai Publishers, 1997.

MLA (8th ed.) Citation

Grafe, Christoph 1960, and Michael Speaks. Nine + One: Ten Young Dutch Architectural Offices. Nai Publishers, 1997.