APA (7th ed.) Citation

Gruen, L., Grabel, L., & Singer, P. (2007). Stem cell research: The ethical issues. Blackwell Pub..

Chicago Style (17th ed.) Citation

Gruen, Lori, Laura Grabel, and Peter Singer. Stem Cell Research: The Ethical Issues. Malden, MA ; Oxford: Blackwell Pub., 2007.

MLA (9th ed.) Citation

Gruen, Lori, et al. Stem Cell Research: The Ethical Issues. Blackwell Pub., 2007.