APA (7th ed.) Citation

Silverberg, R. (1965). The Great Wall of China. Chilton Books.

Chicago Style (17th ed.) Citation

Silverberg, Robert. The Great Wall of China. Philadelphia: Chilton Books, 1965.

MLA (9th ed.) Citation

Silverberg, Robert. The Great Wall of China. Chilton Books, 1965.

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