Citazione Stile APA (7a Edizione)

Theakston, K. (2004). British foreign secretaries since 1974. Routledge.

Citazione stile Chigago Style (17a edizione)

Theakston, Kevin. British Foreign Secretaries Since 1974. London ; New York: Routledge, 2004.

Citatione MLA (9a ed.)

Theakston, Kevin. British Foreign Secretaries Since 1974. Routledge, 2004.