APA (7th ed.) Citation

SpringerLink (Online service), Helle, K. B., & Aunis, D. (2002). Chromogranins: Functional and Clinical Aspects. Springer US.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Karen B. Helle, and Dominique Aunis. Chromogranins: Functional and Clinical Aspects. Boston, MA: Springer US, 2002.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Chromogranins: Functional and Clinical Aspects. Springer US, 2002.