APA (7th ed.) Citation

Powel, J., & Boccardo, J. (2007). Sam's sunflower. Franklin Watts.

Chicago Style (17th ed.) Citation

Powel, Jillian, and Johanna Boccardo. Sam's Sunflower. London: Franklin Watts, 2007.

MLA (9th ed.) Citation

Powel, Jillian, and Johanna Boccardo. Sam's Sunflower. Franklin Watts, 2007.