APA-viite (7. p.)

Eleftheriadis, P., Nicolaïdis, K., & Weiler, J. (2011). Foreword: The changing landscape of European constitutionalism.

Chicago-viite (17. p.)

Eleftheriadis, P., K. Nicolaïdis, ja J. Weiler. Foreword: The Changing Landscape of European Constitutionalism. 2011.

MLA-viite (9. p.)

Eleftheriadis, P., et al. Foreword: The Changing Landscape of European Constitutionalism. 2011.