APA

Center for Drug Evaluation and Research (U.S.), .National drug code directory. Rockville, Md: U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Center for Drug Evaluation and Research, Division of Data Management and Services.

Chicago

Center for Drug Evaluation and Research (U.S.), .National drug code directory. Rockville, Md: U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Center for Drug Evaluation and Research, Division of Data Management and Services.

Harvard

Center for Drug Evaluation and Research (U.S.), .National drug code directory. Rockville, Md: U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Center for Drug Evaluation and Research, Division of Data Management and Services.

MLA

Center for Drug Evaluation and Research (U.S.), .Rockville, Md: U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Center for Drug Evaluation and Research, Division of Data Management and Services. .