APA (7th ed.) Citation

Cho, S., & Chŏn, K. A dwarf launches a little ball.

Chicago Style (17th ed.) Citation

Cho, Se-Hui, and Kyŏng-ja Chŏn. A Dwarf Launches a Little Ball.

MLA (9th ed.) Citation

Cho, Se-Hui, and Kyŏng-ja Chŏn. A Dwarf Launches a Little Ball.

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