Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Sigel, A., Sigel, H., & Sigel, R. K. (2013). Cadmium: From Toxicity to Essentiality. Springer Netherlands : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Astrid Sigel, Helmut Sigel, και Roland KO Sigel. Cadmium: From Toxicity to Essentiality. Dordrecht: Springer Netherlands : Imprint: Springer, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Cadmium: From Toxicity to Essentiality. Springer Netherlands : Imprint: Springer, 2013.