APA Citatie

Erdogan, A., Luedders, D. W., Muenz, B. M., Schaefer, C. A., Tillmanns, H., Wiecha, J., & Kuhlmann, C. R. W. (2007). Sildenafil Inhibits the Proliferation of Cultured Human Endothelial Cells. Master Publishing Group.

Chicago Style citaat

Erdogan, Ali, Doerte Wiebke Luedders, Benedikt Manuel Muenz, Christian Alexander Schaefer, Harald Tillmanns, Johannes Wiecha, en Christoph Ruediger Wolfram Kuhlmann. Sildenafil Inhibits the Proliferation of Cultured Human Endothelial Cells. Master Publishing Group, 2007.

MLA citatie

Erdogan, Ali, et al. Sildenafil Inhibits the Proliferation of Cultured Human Endothelial Cells. Master Publishing Group, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.