Sandra A. Ham, M., Caroline A. Macera, P., & Corina Lindley, M. (2005). Trends in Walking for Transportation in the United States, 1995 and 2001. Centers for Disease Control and Prevention.
Chicago Style (17th ed.) CitationSandra A. Ham, MS, PhD Caroline A. Macera, and MPH Corina Lindley. Trends in Walking for Transportation in the United States, 1995 and 2001. Centers for Disease Control and Prevention, 2005.
MLA (9th ed.) CitationSandra A. Ham, MS, et al. Trends in Walking for Transportation in the United States, 1995 and 2001. Centers for Disease Control and Prevention, 2005.
Warning: These citations may not always be 100% accurate.