Citazione Stile APA (7a Edizione)

Curry, J., & Sommer, P. (1980). Becoming a citizen (New ed., 2. ed., reprinted and updated.). Harrap.

Citazione stile Chigago Style (17a edizione)

Curry, Jennifer, e Peter Sommer. Becoming a Citizen. New ed., 2. ed., reprinted and updated. Walton-on-Thames, Surrey [u.a.]: Harrap, 1980.

Citatione MLA (9a ed.)

Curry, Jennifer, e Peter Sommer. Becoming a Citizen. New ed., 2. ed., reprinted and updated. Harrap, 1980.