Cita APA (7th ed.)

Horne, A. (1988). Harold Macmillan. Viking [u.a..

Cita Chicago (17th ed.)

Horne, Alistair. Harold Macmillan. New York [u.a.]: Viking [u.a., 1988.

Cita MLA (8th ed.)

Horne, Alistair. Harold Macmillan. Viking [u.a., 1988.