Cita APA (7a ed.)

Pennings, F., Blanpain, R., & Eeckhoutte, W. v. (1994). International encyclopaedia of laws: Social security law. Codex 1. Kluwer Law International.

Cita Chicago Style (17a ed.)

Pennings, F., R. Blanpain, y Willy van Eeckhoutte. International Encyclopaedia of Laws: Social Security Law. Codex 1. The Hague [etc.]: Kluwer Law International, 1994.

Cita MLA (9a ed.)

Pennings, F., et al. International Encyclopaedia of Laws: Social Security Law. Codex 1. Kluwer Law International, 1994.