APA
Atkins L., . (2011). Unconventional shale gas could soon be a global resource. : .
Chicago
Atkins Laura, . 2011. Unconventional shale gas could soon be a global resource. : .
Harvard
Atkins L., . (2011). Unconventional shale gas could soon be a global resource. : .
MLA
Atkins Laura, . Unconventional shale gas could soon be a global resource. : . 2011.