APA (7th ed.) Citation

Borrmann, A., Borrmann, C., & Stegger, M. (1981). The EC's generalized system of preferences. Nijhoff.

Chicago Style (17th ed.) Citation

Borrmann, Axel, Christine Borrmann, and Manfred Stegger. The EC's Generalized System of Preferences. The Hague ; Boston: Nijhoff, 1981.

MLA (9th ed.) Citation

Borrmann, Axel, et al. The EC's Generalized System of Preferences. Nijhoff, 1981.