APA

Piwoz E. G., Huffman S. L., O'Gara C., Zehner E. R. & Lusk D. (2001). Issues, risks, and challenges of early breastfeeding cessation to reduce postnatal transmission of HIV in Africa. Washington, DC: Academy for Educational Development.

Chicago

Piwoz Ellen G, Huffman Sandra L, O'Gara Chloe, Zehner Elizabeth R and Lusk Diane. 2001. Issues, risks, and challenges of early breastfeeding cessation to reduce postnatal transmission of HIV in Africa. Washington, DC: Academy for Educational Development.

Harvard

Piwoz E. G., Huffman S. L., O'Gara C., Zehner E. R. and Lusk D. (2001). Issues, risks, and challenges of early breastfeeding cessation to reduce postnatal transmission of HIV in Africa. Washington, DC: Academy for Educational Development.

MLA

Piwoz Ellen G, Huffman Sandra L, O'Gara Chloe, Zehner Elizabeth R and Lusk Diane. Issues, risks, and challenges of early breastfeeding cessation to reduce postnatal transmission of HIV in Africa. Washington, DC: Academy for Educational Development. 2001.