Citazione Stile APA (7a Edizione)

Keeley, R. D., & Smith, P. G. (1981). Civics and citizenship: For first examinations (1. publ.). Wheaton.

Citazione stile Chigago Style (17a edizione)

Keeley, R. D., e P. G. Smith. Civics and Citizenship: For First Examinations. 1. publ. Exeter [u.a.]: Wheaton, 1981.

Citatione MLA (9a ed.)

Keeley, R. D., e P. G. Smith. Civics and Citizenship: For First Examinations. 1. publ. Wheaton, 1981.