APA (7th ed.) Citation

Blyton, E. (1991). Hollow tree house. Red Fox.

Chicago Style (17th ed.) Citation

Blyton, Enid. Hollow Tree House. Red Fox, 1991.

MLA (8th ed.) Citation

Blyton, Enid. Hollow Tree House. Red Fox, 1991.

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