APA (7th ed.) Citation

Westoff, C. F., & Koffman, D. (2010). Birth spacing and limiting connections. ICF Macro.

Chicago Style (17th ed.) Citation

Westoff, Charles F., and Dawn Koffman. Birth Spacing and Limiting Connections. Calverton, Maryland, USA: ICF Macro, 2010.

MLA (9th ed.) Citation

Westoff, Charles F., and Dawn Koffman. Birth Spacing and Limiting Connections. ICF Macro, 2010.