Cullen, J. (2013). Essaying the past: How to read, write, and think about history (2nd ed.). Wiley-Blackwell.
Παραπομπή σε μορφή Chicago (17η εκδ.)Cullen, Jim. Essaying the Past: How to Read, Write, and Think About History. 2nd ed. Chichester [England] ; Malden, Mass.: Wiley-Blackwell, 2013.
Παραπομπή σε μορφή MLA (9th εκδ.)Cullen, Jim. Essaying the Past: How to Read, Write, and Think About History. 2nd ed. Wiley-Blackwell, 2013.
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