APA način citiranja (7. izdanje)
Gilbert, I. (2014). Independent thinking. Independent Thinking Press.
Čikaški stil citiranja (17. izdanje)
Gilbert, Ian. Independent Thinking. Carmarthen, Wales: Independent Thinking Press, 2014.
MLA način citiranja (9. izdanje)
Gilbert, Ian. Independent Thinking. Independent Thinking Press, 2014.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.