Παραπομπή σε μορφή APA (7η εκδ.)

Braden, J. B., Folmer, H., & Ulen, T. (1996). Environmental policy with political and economic integration: The European Union and the United States. Edward Elgar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Braden, John B., Henk Folmer, και Thomas Ulen. Environmental Policy with Political and Economic Integration: The European Union and the United States. Cheltenham: Edward Elgar, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Braden, John B., et al. Environmental Policy with Political and Economic Integration: The European Union and the United States. Edward Elgar, 1996.