Cita APA (7th ed.)

Goldstone, N. B. (2007). Four queens: The provencal sisters who ruled Europe. Viking.

Cita Chicago (17th ed.)

Goldstone, Nancy Bazelon. Four Queens: The Provencal Sisters Who Ruled Europe. New York: Viking, 2007.

Cita MLA (9th ed.)

Goldstone, Nancy Bazelon. Four Queens: The Provencal Sisters Who Ruled Europe. Viking, 2007.