Art 30 Basel. : The Art Fair.

MLA

Beyeler, Ernst, et al. Art 30 Basel. : The Art Fair. Basel: Messe Basel, 1999.

APA

Beyeler, E., von Faber-Castell, C., Szeemann, H., & Rudolf, L. A. (1999). Art 30 Basel. : The Art Fair. Basel: Messe Basel.

Chicago

Beyeler, Ernst, Christian von Faber-Castell, Harald Szeemann, and Lorenzo A Rudolf. Art 30 Basel.: The Art Fair. Basel: Messe Basel, 1999.