APA (7th ed.) Citation

Gutierrez, M. D., & Vialet, J. C. (1997). Immigration: Vaccine requirements for children. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Gutierrez, Maria D., and Joyce C. Vialet. Immigration: Vaccine Requirements for Children. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1997.

MLA (9th ed.) Citation

Gutierrez, Maria D., and Joyce C. Vialet. Immigration: Vaccine Requirements for Children. Congressional Research Service, Library of Congress, 1997.