APA (7th ed.) Citation

Seward, I. (1991). Sarah: HRH the Duchess of York ; a biography (1. publ.). HarperCollins.

Chicago Style (17th ed.) Citation

Seward, Ingrid. Sarah: HRH the Duchess of York ; a Biography. 1. publ. London: HarperCollins, 1991.

MLA (9th ed.) Citation

Seward, Ingrid. Sarah: HRH the Duchess of York ; a Biography. 1. publ. HarperCollins, 1991.

Warning: These citations may not always be 100% accurate.