APA (7th ed.) Citation

Ross. (2002). The causes of World War I. Hodder Children's Books.

Chicago Style (17th ed.) Citation

Ross. The Causes of World War I. London: Hodder Children's Books, 2002.

MLA (8th ed.) Citation

Ross. The Causes of World War I. Hodder Children's Books, 2002.

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