Christo : Valley Curtain, Rifle, Colorado : Documentation.

MLA

Christo : Valley Curtain, Rifle, Colorado : Documentation. Houston: Museum of Fine Arts, 1971.

APA

(1971). Christo : Valley Curtain, Rifle, Colorado : Documentation. Houston: Museum of Fine Arts.

Chicago

Christo: Valley Curtain, Rifle, Colorado : Documentation. Houston: Museum of Fine Arts, 1971.