APA (7th ed.) Citation

Mortimer, P. (1986). Queen Elizabeth: A Portrait of the Queen Mother. St. Martin's Press.

Chicago Style (17th ed.) Citation

Mortimer, Penelope. Queen Elizabeth: A Portrait of the Queen Mother. New York, USA: St. Martin's Press, 1986.

MLA (9th ed.) Citation

Mortimer, Penelope. Queen Elizabeth: A Portrait of the Queen Mother. St. Martin's Press, 1986.