APA (7th ed.) Citation

Heinrich, J. (2002). Childhood vaccines: Challenges in preventing future shortages. U.S. General Accounting Office.

Chicago Style (17th ed.) Citation

Heinrich, Janet. Childhood Vaccines: Challenges in Preventing Future Shortages. [Washington, D.C.]: U.S. General Accounting Office, 2002.

MLA (9th ed.) Citation

Heinrich, Janet. Childhood Vaccines: Challenges in Preventing Future Shortages. U.S. General Accounting Office, 2002.