APA način citiranja (7. izdanje)
Helfferich, T. (2013). The iron princess: Amalia Elisabeth and the Thirty Years War. Harvard University Press.
Čikaški stil citiranja (17. izdanje)
Helfferich, Tryntje. The Iron Princess: Amalia Elisabeth and the Thirty Years War. Cambridge ; London: Harvard University Press, 2013.
MLA način citiranja (9. izdanje)
Helfferich, Tryntje. The Iron Princess: Amalia Elisabeth and the Thirty Years War. Harvard University Press, 2013.
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