APA
Berry R. J., Li Z., Erickson J. D., Li S., Moore C. A., Wang H., Mulinare J., Zhao P., Wong L. Y., Gindler J., Hong S. X. & Correa A. (19991116). Prevention of neural-tube defects with folic acid in China. China-U.S. Collaborative Project for Neural Tube Defect Prevention. : The New England journal of medicine.
Chicago
Berry R J, Li Z, Erickson J D, Li S, Moore C A, Wang H, Mulinare J, Zhao P, Wong L Y, Gindler J, Hong S X and Correa A. 19991116. Prevention of neural-tube defects with folic acid in China. China-U.S. Collaborative Project for Neural Tube Defect Prevention. : The New England journal of medicine.
Harvard
Berry R. J., Li Z., Erickson J. D., Li S., Moore C. A., Wang H., Mulinare J., Zhao P., Wong L. Y., Gindler J., Hong S. X. and Correa A. (19991116). Prevention of neural-tube defects with folic acid in China. China-U.S. Collaborative Project for Neural Tube Defect Prevention. : The New England journal of medicine.
MLA
Berry R J, Li Z, Erickson J D, Li S, Moore C A, Wang H, Mulinare J, Zhao P, Wong L Y, Gindler J, Hong S X and Correa A. Prevention of neural-tube defects with folic acid in China. China-U.S. Collaborative Project for Neural Tube Defect Prevention. : The New England journal of medicine. 19991116.