APA (7th ed.) Citation

Sung-ja, C., & Suk-won, S. (2015). Bubbly and grumpy. Big & Small.

Chicago Style (17th ed.) Citation

Sung-ja, Cho, and Sa Suk-won. Bubbly and Grumpy. [S.l]: Big & Small, 2015.

MLA (9th ed.) Citation

Sung-ja, Cho, and Sa Suk-won. Bubbly and Grumpy. Big & Small, 2015.