APA (7th ed.) Citation

MARTIN, A. M. (1990). Baby Sisters, Little Sister#21: Karen's New Teacher. Scholastic Inc.

Chicago Style (17th ed.) Citation

MARTIN, ANN M. Baby Sisters, Little Sister#21: Karen's New Teacher. New York: Scholastic Inc, 1990.

MLA (9th ed.) Citation

MARTIN, ANN M. Baby Sisters, Little Sister#21: Karen's New Teacher. Scholastic Inc, 1990.