APA (7th ed.) Citation

Yee & Thea. (1999). Sand castle. Greenwillow Books.

Chicago Style (17th ed.) Citation

Yee and Thea. Sand Castle. New York: Greenwillow Books, 1999.

MLA (9th ed.) Citation

Yee and Thea. Sand Castle. Greenwillow Books, 1999.

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