APA (7th ed.) Citation

Blyton, E. (2003). A spell for a puppy & Jinky's joke. Mercury Books.

Chicago Style (17th ed.) Citation

Blyton, Enid. A Spell for a Puppy & Jinky's Joke. London: Mercury Books, 2003.

MLA (9th ed.) Citation

Blyton, Enid. A Spell for a Puppy & Jinky's Joke. Mercury Books, 2003.

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