APA Citation

Barrett, S. (2013). Stop! The Polio Vaccination Cessation Game. World Bank.

Chicago Style Citation

Barrett, Scott. Stop! The Polio Vaccination Cessation Game. World Bank, 2013.

MLA Citation

Barrett, Scott. Stop! The Polio Vaccination Cessation Game. World Bank, 2013.

Warning: These citations may not always be 100% accurate.