APA (7th ed.) Citation

Cleary, M., & Sabbatini, L. (2010). A christmas present for Barney Bunny. Helbling Languages.

Chicago Style (17th ed.) Citation

Cleary, Maria, and Lorenzo Sabbatini. A Christmas Present for Barney Bunny. s.l.: Helbling Languages, 2010.

MLA (9th ed.) Citation

Cleary, Maria, and Lorenzo Sabbatini. A Christmas Present for Barney Bunny. Helbling Languages, 2010.

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