Citazione Stile APA (7a Edizione)

Toom, F. d. (2003). Wilhelm II. in Doorn: Friedhild den Toom (2. Dr.).

Citazione stile Chigago Style (17a edizione)

Toom, Friedhild den. Wilhelm II. in Doorn: Friedhild Den Toom. 2. Dr. Doorn, 2003.

Citatione MLA (8a ed.)

Toom, Friedhild den. Wilhelm II. in Doorn: Friedhild Den Toom. 2. Dr. 2003.