APA (7e ed.) Bronvermelding

Spiel, H. (1968). The Congress of Vienna: An eyewitness account ([1st ed.].). Chilton Book Co.

Chicago (17e ed.) Bronvermelding

Spiel, Hilde. The Congress of Vienna: An Eyewitness Account. [1st ed.]. Philadelphia: Chilton Book Co, 1968.

MLA (8e ed.) Bronvermelding

Spiel, Hilde. The Congress of Vienna: An Eyewitness Account. [1st ed.]. Chilton Book Co, 1968.