Cite
The effects of physical activity on greenhouse gas emissions for common transport modes in European countries
MLA
Duffy, Aidan, and Robert Crawford. “The Effects of Physical Activity on Greenhouse Gas Emissions for Common Transport Modes in European Countries.” Transportation Research Part D: Transport & Environment, vol. 19, Mar. 2013, pp. 13–19. EBSCOhost, https://doi.org/10.1016/j.trd.2012.09.005.
APA
Duffy, A., & Crawford, R. (2013). The effects of physical activity on greenhouse gas emissions for common transport modes in European countries. Transportation Research Part D: Transport & Environment, 19, 13–19. https://doi.org/10.1016/j.trd.2012.09.005
Chicago
Duffy, Aidan, and Robert Crawford. 2013. “The Effects of Physical Activity on Greenhouse Gas Emissions for Common Transport Modes in European Countries.” Transportation Research Part D: Transport & Environment 19 (March): 13–19. doi:10.1016/j.trd.2012.09.005.