APA način citiranja (7. izdanje)
Palfrey, J. (2017). Safe Spaces, Brave Spaces: Diversity and Free Expression in Education. The MIT Press.
Čikaški stil citiranja (17. izdanje)
Palfrey, John. Safe Spaces, Brave Spaces: Diversity and Free Expression in Education. Cambridge, Massachusetts: The MIT Press, 2017.
MLA način citiranja (9. izdanje)
Palfrey, John. Safe Spaces, Brave Spaces: Diversity and Free Expression in Education. The MIT Press, 2017.
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