APA (7th ed.) Citation

AL, K., & EW, H. (1961). Bacteriuria and pyelonephritis of pregnancy. A prospective study of 616 pregnant women. The New England journal of medicine, 265, 667. https://doi.org/10.1056/NEJM196110052651402

Chicago Style (17th ed.) Citation

AL, KAITZ, and HODDER EW. "Bacteriuria and Pyelonephritis of Pregnancy. A Prospective Study of 616 Pregnant Women." The New England Journal of Medicine 265 (1961): 667. https://doi.org/10.1056/NEJM196110052651402.

MLA (9th ed.) Citation

AL, KAITZ, and HODDER EW. "Bacteriuria and Pyelonephritis of Pregnancy. A Prospective Study of 616 Pregnant Women." The New England Journal of Medicine, vol. 265, 1961, p. 667, https://doi.org/10.1056/NEJM196110052651402.

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