APA引文

Giuffrida, D., Rogers, I. M., Nagy, A., Calogero, A. E., Brown, T. J., & Casper, R. F. (2009). Human embryonic stem cells secrete soluble factors that inhibit cancer cell growth. Cell Prolif.

Citação norma Chicago

Giuffrida, D., I. M. Rogers, A. Nagy, A. E. Calogero, T. J. Brown, and R. F. Casper. "Human Embryonic Stem Cells Secrete Soluble Factors That Inhibit Cancer Cell Growth." Cell Prolif 2009.

MLA引文

Giuffrida, D., et al. "Human Embryonic Stem Cells Secrete Soluble Factors That Inhibit Cancer Cell Growth." Cell Prolif 2009.