Piller, E. (2020). A tumultuous relationship: Nicholas Murry Butler and Germany in the era of the two World Wars.
Chicago-Zitierstil (17. Ausg.)Piller, Elisabeth. A Tumultuous Relationship: Nicholas Murry Butler and Germany in the Era of the Two World Wars. 2020.
MLA-Zitierstil (9. Ausg.)Piller, Elisabeth. A Tumultuous Relationship: Nicholas Murry Butler and Germany in the Era of the Two World Wars. 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.