APA (7th ed.) Citation

AV, T., GA, B., & S, K. (2006). Embryonic stem cells: A great hope for a new era of medicine. Current opinion in drug discovery & development, 9(2), 169.

Chicago Style (17th ed.) Citation

AV, Tutter, Baltus GA, and Kadam S. "Embryonic Stem Cells: A Great Hope for a New Era of Medicine." Current Opinion in Drug Discovery & Development 9, no. 2 (2006): 169.

MLA (9th ed.) Citation

AV, Tutter, et al. "Embryonic Stem Cells: A Great Hope for a New Era of Medicine." Current Opinion in Drug Discovery & Development, vol. 9, no. 2, 2006, p. 169.