APA (7th ed.) Citation

Blyton, E. (1990). Upper Fourth at Malory Towers. EGMONT Publisher.

Chicago Style (17th ed.) Citation

Blyton, Enid. Upper Fourth at Malory Towers. London: EGMONT Publisher, 1990.

MLA (9th ed.) Citation

Blyton, Enid. Upper Fourth at Malory Towers. EGMONT Publisher, 1990.

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