Ford, K. (1978). Contraceptive efficacy among married women 15-44 years of age in the United States, 1970-73. U.S. Dept of Health, Education, and Welfare, Public Health Service.
Chicago Style (17th ed.) CitationFord, Kathleen. Contraceptive Efficacy Among Married Women 15-44 Years of Age in the United States, 1970-73. [Hyattsville, Md.]: U.S. Dept of Health, Education, and Welfare, Public Health Service, 1978.
MLA (9th ed.) CitationFord, Kathleen. Contraceptive Efficacy Among Married Women 15-44 Years of Age in the United States, 1970-73. U.S. Dept of Health, Education, and Welfare, Public Health Service, 1978.
Warning: These citations may not always be 100% accurate.