Puffer, R. R., & Serrano, C. V. (1987). Patterns of birthweights. Pan American Health Organization, Pan American Sanitary Bureau.
Chicago Style (17th ed.) CitationPuffer, Ruth Rice, and Carlos V. Serrano. Patterns of Birthweights. Washington, D.C., U.S.A: Pan American Health Organization, Pan American Sanitary Bureau, 1987.
MLA (9th ed.) CitationPuffer, Ruth Rice, and Carlos V. Serrano. Patterns of Birthweights. Pan American Health Organization, Pan American Sanitary Bureau, 1987.
Warning: These citations may not always be 100% accurate.