APA

United States, . (2013). Food and drug safety, public health, and the environment in China: hearing before the Congressional-Executive Commission on China, one hundred thirteenth congress, first session, May 22, 2013. Washington: U.S. Government Printing Office.

Chicago

United States, . 2013. Food and drug safety, public health, and the environment in China: hearing before the Congressional-Executive Commission on China, one hundred thirteenth congress, first session, May 22, 2013. Washington: U.S. Government Printing Office.

Harvard

United States, . (2013). Food and drug safety, public health, and the environment in China: hearing before the Congressional-Executive Commission on China, one hundred thirteenth congress, first session, May 22, 2013. Washington: U.S. Government Printing Office.

MLA

United States, . Food and drug safety, public health, and the environment in China: hearing before the Congressional-Executive Commission on China, one hundred thirteenth congress, first session, May 22, 2013. Washington: U.S. Government Printing Office. 2013.