APA (7th ed.) Citation

Winder, R. B. (1980). Saudi Arabia in the nineteenth century. Octagon Books.

Chicago Style (17th ed.) Citation

Winder, R. Bayly. Saudi Arabia in the Nineteenth Century. New York: Octagon Books, 1980.

MLA (8th ed.) Citation

Winder, R. Bayly. Saudi Arabia in the Nineteenth Century. Octagon Books, 1980.

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