APA Style

KONIETZKA, D., KREYENFELD, M. (2017). Childlessness in Europe: Contexts, Causes, and Consequences . Cham: Springer Cham.

MLA Style

KONIETZKA, Dirk., KREYENFELD, Michaela. "Childlessness in Europe: Contexts, Causes, and Consequences". Cham: Springer Cham, 2017. Text.