APA (7th ed.) Citation

Blyton, E. (2009). Upper fourth at Malory Towers (4). Dean Publishers.

Chicago Style (17th ed.) Citation

Blyton, Enid. Upper Fourth at Malory Towers (4). London: Dean Publishers, 2009.

MLA (9th ed.) Citation

Blyton, Enid. Upper Fourth at Malory Towers (4). Dean Publishers, 2009.

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