(1995). "Hans" Frankfort's Earlier Years, Based on His Letters to "Bram" van Regteren Altena.
Chicago-Zitierstil (17. Ausg.)"Hans" Frankfort's Earlier Years, Based on His Letters to "Bram" Van Regteren Altena. Leiden, 1995.
MLA-Zitierstil (8. Ausg.)"Hans" Frankfort's Earlier Years, Based on His Letters to "Bram" Van Regteren Altena. 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.