Cita APA (7a ed.)

Spada, J. (1987). Grace: The secret lives of a princess. Doubleday.

Cita Chicago Style (17a ed.)

Spada, James. Grace: The Secret Lives of a Princess. Garden City, N.Y: Doubleday, 1987.

Cita MLA (9a ed.)

Spada, James. Grace: The Secret Lives of a Princess. Doubleday, 1987.