Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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