Langer, E. (2014). Mindfulness (25th anniversary edition.). Da Capo Press, a member of the Perseus Books Group.
Chicago-Zitierstil (17. Ausg.)Langer, Ellen. Mindfulness. 25th anniversary edition. Philadelphia: Da Capo Press, a member of the Perseus Books Group, 2014.
MLA-Zitierstil (9. Ausg.)Langer, Ellen. Mindfulness. 25th anniversary edition. Da Capo Press, a member of the Perseus Books Group, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.