Robert Smithson : Retrospective - Works 1955-1973.

MLA

Boym, Per Bjarne, et al. Robert Smithson : Retrospective - Works 1955-1973. 1000 Oslo: National Museum of Contemporary Art, 1999.

APA

Boym, P. Bjarne, Elliott, D., Gether, C., Grogaard, S., Lind, M., Martin, T., Osterby, A., & Petersen, V. (1999). Robert Smithson : Retrospective - Works 1955-1973. 1000 Oslo: National Museum of Contemporary Art.

Chicago

Boym, Per Bjarne, David Elliott, Christian Gether, Stian Grogaard, Maria Lind, Tim Martin, Anette Osterby, and Vibeke Petersen. Robert Smithson: Retrospective - Works 1955-1973. 1000 Oslo: National Museum of Contemporary Art, 1999.