Sauer De Boer, E. (1993). Bending Branches: A Family History of Sauer-Mädche und Stückle-Uhl. Book Crafters, Inc.
Citazione stile Chigago Style (17a edizione)Sauer De Boer, Elaine. Bending Branches: A Family History of Sauer-Mädche Und Stückle-Uhl. o.O: Book Crafters, Inc, 1993.
Citatione MLA (8a ed.)Sauer De Boer, Elaine. Bending Branches: A Family History of Sauer-Mädche Und Stückle-Uhl. Book Crafters, Inc, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.