APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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