Montgomery, C. W. (1989). Environmental geology/2nd ed (2nd ed.). WMC Brown.
Čikaški stil citiranjaMontgomery, Carla W. Environmental Geology/2nd Ed. 2nd ed. USA: WMC Brown, 1989.
MLA način citiranjaMontgomery, Carla W. Environmental Geology/2nd Ed. 2nd ed. WMC Brown, 1989.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.