APA način citiranja (7. izdanje)
Hess, F. M. (2010). Education unbound: The promise and practice of greenfield schooling. ASCD.
Čikaški stil citiranja (17. izdanje)
Hess, Frederick M. Education Unbound: The Promise and Practice of Greenfield Schooling. Alexandria, VA: ASCD, 2010.
MLA način citiranja (9. izdanje)
Hess, Frederick M. Education Unbound: The Promise and Practice of Greenfield Schooling. ASCD, 2010.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.