APA (7th ed.) Citation

Thomas, P., & Thomas, D. (2010). The accordion book. Peter & Donna Thomas.

Chicago Style (17th ed.) Citation

Thomas, Peter, and Donna Thomas. The Accordion Book. Santa Cruz, Calif.: Peter & Donna Thomas, 2010.

MLA (9th ed.) Citation

Thomas, Peter, and Donna Thomas. The Accordion Book. Peter & Donna Thomas, 2010.

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