Cita APA (7a ed.)

Fiehn, J., & Fiehn, T. (2008). This is citizenship (2nd. ed., 1. publ., impr. 1.). Hodder Education.

Cita Chicago Style (17a ed.)

Fiehn, Julia, y Terry Fiehn. This Is Citizenship. 2nd. ed., 1. publ., impr. 1. London: Hodder Education, 2008.

Cita MLA (9a ed.)

Fiehn, Julia, y Terry Fiehn. This Is Citizenship. 2nd. ed., 1. publ., impr. 1. Hodder Education, 2008.