APA (7th ed.) Citation

Marx, D. F., & Hicks, M. A. (2000). Hello, doctor. Children's Press.

Chicago Style (17th ed.) Citation

Marx, David F., and Mark A. Hicks. Hello, Doctor. New York: Children's Press, 2000.

MLA (9th ed.) Citation

Marx, David F., and Mark A. Hicks. Hello, Doctor. Children's Press, 2000.