APA način citiranja (7. izdanje)
Viikari, L. (2008). The environmental element in space law: Assessing the present and charting the future. Martinus Nijhoff Publishers.
Čikaški stil citiranja (17. izdanje)
Viikari, Lotta. The Environmental Element in Space Law: Assessing the Present and Charting the Future. Leiden ; Boston: Martinus Nijhoff Publishers, 2008.
MLA način citiranja (9. izdanje)
Viikari, Lotta. The Environmental Element in Space Law: Assessing the Present and Charting the Future. Martinus Nijhoff Publishers, 2008.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.