Citazione APA

SpringerLink (Online service), Berger, N. A., & Markowitz, S. D. (2012). Energy balance and gastrointestinal cancer. Springer US.

Stile di citazione Chicago

SpringerLink (Online service), Nathan A. Berger, e Sanford D. Markowitz. Energy Balance and Gastrointestinal Cancer. Boston, MA: Springer US, 2012.

Citazione MLA

SpringerLink (Online service), et al. Energy Balance and Gastrointestinal Cancer. Springer US, 2012.