APA (7th ed.) Citation

Blackstone, S., & Harter, D. (2005). A dragon on the doorstep. Barefoot Books.

Chicago Style (17th ed.) Citation

Blackstone, Stella, and Debbie Harter. A Dragon on the Doorstep. Massachusetts: Barefoot Books, 2005.

MLA (9th ed.) Citation

Blackstone, Stella, and Debbie Harter. A Dragon on the Doorstep. Barefoot Books, 2005.