APA (7th ed.) Citation

Heo, Y. (1999). One Sunday morning. Orchard Books.

Chicago Style (17th ed.) Citation

Heo, Yumi. One Sunday Morning. New York: Orchard Books, 1999.

MLA (8th ed.) Citation

Heo, Yumi. One Sunday Morning. Orchard Books, 1999.

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