Palmstierna, E. (1917). International Congress for the study of the principles of a durable peace, Berne, 1916. An international police. The Hague: Nijhoff.
Citazione stile Chigago Style (17a edizione)Palmstierna, E. International Congress for the Study of the Principles of a Durable Peace, Berne, 1916. An International Police. The Hague: Nijhoff, 1917.
Citatione MLA (8a ed.)Palmstierna, E. International Congress for the Study of the Principles of a Durable Peace, Berne, 1916. An International Police. The Hague: Nijhoff, 1917.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.