Cita APA (7a ed.)

Eyffinger, A., & Kooijmans, P. H. (1999). The 1899 Hague peace conference: The Parliament of man, the Federation of the world. Kluwer Law International.

Cita Chicago Style (17a ed.)

Eyffinger, Arthur, y Pieter Hendrik Kooijmans. The 1899 Hague Peace Conference: The Parliament of Man, the Federation of the World. The Hague [etc.]: Kluwer Law International, 1999.

Cita MLA (9a ed.)

Eyffinger, Arthur, y Pieter Hendrik Kooijmans. The 1899 Hague Peace Conference: The Parliament of Man, the Federation of the World. Kluwer Law International, 1999.