Gaya APA

Kreyenfeld, M., Konietzka, D. (2017). Childlessness in Europe: Contexts, Causes, and Consequences (1st ed. 2017). : Springer International Publishing.

Gaya MLA

Kreyenfeld, Michaela., Konietzka, Dirk. "Childlessness in Europe: Contexts, Causes, and Consequences". 1st ed. 2017 : Springer International Publishing, 2017. Electronic Resource.