APA (7th ed.) Citation

Puffer, R. R., & Serrano, C. V. (1987). Patterns of birthweights. Pan American Health Organization, Pan American Sanitary Bureau.

Chicago Style (17th ed.) Citation

Puffer, 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.) Citation

Puffer, Ruth Rice, and Carlos V. Serrano. Patterns of Birthweights. Pan American Health Organization, Pan American Sanitary Bureau, 1987.