APA引文

Kreyenfeld, M., & Konietzka, D. (2020). Childlessness in Europe: Contexts, Causes, and Consequences. Springer International Publishing.

Trích dẫn kiểu Chicago

Kreyenfeld, Michaela, và Dirk Konietzka. Childlessness in Europe: Contexts, Causes, and Consequences. Springer International Publishing, 2020.

MLA引文

Kreyenfeld, Michaela, và Dirk Konietzka. Childlessness in Europe: Contexts, Causes, and Consequences. Springer International Publishing, 2020.

警告：这些引文格式不一定是100％准确.