APA (7th ed.) Citation

SpringerLink (Online service), Krämer, A., & Löffler, H. (2016). Cancer of Unknown Primary. Springer International Publishing : Imprint: Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Alwin Krämer, and Harald Löffler. Cancer of Unknown Primary. Cham: Springer International Publishing : Imprint: Springer, 2016.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Cancer of Unknown Primary. Springer International Publishing : Imprint: Springer, 2016.

Warning: These citations may not always be 100% accurate.