APA Style
Klöpffer, W., Grahl, B. (2014).
Life cycle assessment (LCA) : a guide to best practice .
Germany:
Wiley-VCH.
MLA Style
Klöpffer, Walter., Grahl, Birgit.
"Life cycle assessment (LCA) : a guide to best practice".
Germany:
Wiley-VCH,
2014.
Text.