APA (7th ed.) Citation

Mortimer, P. (1986). Queen Elizabeth, a portrait of the Queen Mother (1st U.S. ed.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Mortimer, Penelope. Queen Elizabeth, a Portrait of the Queen Mother. 1st U.S. ed. New York: St. Martin's Press, 1986.

MLA (9th ed.) Citation

Mortimer, Penelope. Queen Elizabeth, a Portrait of the Queen Mother. 1st U.S. ed. St. Martin's Press, 1986.