APA način citiranja (7. izdanje)
Hjelmar, O. (2009). Treatment methods for waste to be landfilled. Nordic Council of Ministers.
Čikaški stil citiranja (17. izdanje)
Hjelmar, Ole. Treatment Methods for Waste to Be Landfilled. Copenhagen: Nordic Council of Ministers, 2009.
MLA način citiranja (9. izdanje)
Hjelmar, Ole. Treatment Methods for Waste to Be Landfilled. Nordic Council of Ministers, 2009.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.