APA (7th ed.) Citation

Horne, A. (1989). Harold Macmillan (1. American ed.). Viking Pr.

Chicago Style (17th ed.) Citation

Horne, Alistair. Harold Macmillan. 1. American ed. New York, NY u.a: Viking Pr, 1989.

MLA (9th ed.) Citation

Horne, Alistair. Harold Macmillan. 1. American ed. Viking Pr, 1989.