APA način citiranja (7. izdanje)
Kula, E. (1994). Economics of natural resources and the environment (2nd. ed.). Chapman & Hall.
Čikaški stil citiranja (17. izdanje)
Kula, Erhun. Economics of Natural Resources and the Environment. 2nd. ed. London ; New York: Chapman & Hall, 1994.
MLA način citiranja (9. izdanje)
Kula, Erhun. Economics of Natural Resources and the Environment. 2nd. ed. Chapman & Hall, 1994.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.