Citazione Stile APA (7a Edizione)

Kredel, F. (1940). Glass flowers from the ware collection in the Botanical Museum of Harvard University. Harcourt, Brace & Co.

Citazione stile Chigago Style (17a edizione)

Kredel, Fritz. Glass Flowers from the Ware Collection in the Botanical Museum of Harvard University. New York, USA: Harcourt, Brace & Co, 1940.

Citatione MLA (9a ed.)

Kredel, Fritz. Glass Flowers from the Ware Collection in the Botanical Museum of Harvard University. Harcourt, Brace & Co, 1940.