APA (7th ed.) Citation

New, W. H., & Yayo. (2013). Sam Swallow and the Riddleworld League. Tradewind Books.

Chicago Style (17th ed.) Citation

New, William H., and Yayo. Sam Swallow and the Riddleworld League. Vancouver [u.a.]: Tradewind Books, 2013.

MLA (9th ed.) Citation

New, William H., and Yayo. Sam Swallow and the Riddleworld League. Tradewind Books, 2013.