APA (7th ed.) Citation

Ridley,Philip. (2002). Zip's Apollo: Anything is possible. Puffin Books.

Chicago Style (17th ed.) Citation

Ridley,Philip. Zip's Apollo: Anything Is Possible. London: Puffin Books, 2002.

MLA (9th ed.) Citation

Ridley,Philip. Zip's Apollo: Anything Is Possible. Puffin Books, 2002.

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