Citazione Stile APA (7a Edizione)

Gradl, M. J. (1983). Authentic art nouveau stained glass designs in full color. Dover Publications.

Citazione stile Chigago Style (17a edizione)

Gradl, M. J. Authentic Art Nouveau Stained Glass Designs in Full Color. New York: Dover Publications, 1983.

Citatione MLA (9a ed.)

Gradl, M. J. Authentic Art Nouveau Stained Glass Designs in Full Color. Dover Publications, 1983.