APA (7th ed.) Citation

Blyton, E. (1988). The valley of adventure. Piper Books.

Chicago Style (17th ed.) Citation

Blyton, Enid. The Valley of Adventure. Piper Books, 1988.

MLA (8th ed.) Citation

Blyton, Enid. The Valley of Adventure. Piper Books, 1988.

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