APA (7th ed.) Citation

Klöpffer, W., & Grahl, B. (2014). Life cycle assessment: A guide to best practice. Wiley-VCH.

Chicago Style (17th ed.) Citation

Klöpffer, Walter, and Birgit Grahl. Life Cycle Assessment: A Guide to Best Practice. Weinheim an der Bergstrasse, Germany: Wiley-VCH, 2014.

MLA (9th ed.) Citation

Klöpffer, Walter, and Birgit Grahl. Life Cycle Assessment: A Guide to Best Practice. Wiley-VCH, 2014.