Schmidt. Martin Buber's Formative Years. The University of Alabama Press.
Citazione stile Chigago Style (17a edizione)Schmidt. Martin Buber's Formative Years. The University of Alabama Press.
Citatione MLA (8a ed.)Schmidt. Martin Buber's Formative Years. The University of Alabama Press.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.