APA (7th ed.) Citation

Grass, R. B. (1999). A book about your skeleton: Level 4. Scholastic.

Chicago Style (17th ed.) Citation

Grass, Rith Belov. A Book About Your Skeleton: Level 4. New York: Scholastic, 1999.

MLA (9th ed.) Citation

Grass, Rith Belov. A Book About Your Skeleton: Level 4. Scholastic, 1999.