APA način citiranja (7. izdanje)
Johnson, D. H. (2003). The root causes of Sudan's civil wars. Indiana University Press ; Fountain Publishers.
Čikaški stil citiranja (17. izdanje)
Johnson, Douglas H. The Root Causes of Sudan's Civil Wars. Bloomington : Kampala: Indiana University Press ; Fountain Publishers, 2003.
MLA način citiranja (9. izdanje)
Johnson, Douglas H. The Root Causes of Sudan's Civil Wars. Indiana University Press ; Fountain Publishers, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.