Documenta 7.
APA Citation
Documenta (7th : 1981 : Kassel, G., Documenta GmbH. (1981). Documenta 7. [Kassel: Druck Verlag GmbH.
MLA Citation
Documenta (7th : 1981 : Kassel, Germany), and Documenta GmbH. Documenta 7. [Kassel: Druck Verlag GmbH, 1981.
Warning: These citations may not always be complete (especially for serials).