APA (7th ed.) Citation

Bedoyere, G. D. L. (2006). The first polio vaccine. World Almanac Library.

Chicago Style (17th ed.) Citation

Bedoyere, Guy De La. The First Polio Vaccine. United States: World Almanac Library, 2006.

MLA (9th ed.) Citation

Bedoyere, Guy De La. The First Polio Vaccine. World Almanac Library, 2006.