Gaya APA

Sigel, A. et al (2013). Cadmium: from toxicity to essentiality (1). Dordrecht, Holland: Springer Dordrecht.

Gaya MLA

Sigel, Astrid. et al. "Cadmium: from toxicity to essentiality". 1 Dordrecht, Holland: Springer Dordrecht, 2013. Electronic Resource.