APA

Hess P., Beetschen W. & Baumann H. T. (2003). Floragraphie. [Allschwil]: Edition atelier- 5 Switzerland.

Chicago

Hess Peter, Beetschen Werner and Baumann Hans Theo. 2003. Floragraphie. [Allschwil]: Edition atelier- 5 Switzerland.

Harvard

Hess P., Beetschen W. and Baumann H. T. (2003). Floragraphie. [Allschwil]: Edition atelier- 5 Switzerland.

MLA

Hess Peter, Beetschen Werner and Baumann Hans Theo. Floragraphie. [Allschwil]: Edition atelier- 5 Switzerland. 2003.