Bicycle and pedestrian data: sources, needs, and gaps.
APA Citation
Schwartz, W., Porter, C. (2000). Bicycle and pedestrian data: sources, needs, and gaps. .
MLA Citation
Schwartz, W, and C Porter. Bicycle And Pedestrian Data: Sources, Needs, And Gaps. , 2000.
Warning: These citations may not always be complete (especially for serials).