APA (7th ed.) Citation

Ritchie. (2000). Communism. Hodder Children' Books.

Chicago Style (17th ed.) Citation

Ritchie. Communism. London: Hodder Children' Books, 2000.

MLA (8th ed.) Citation

Ritchie. Communism. Hodder Children' Books, 2000.

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