APA aipamena

Collins, T., Pober, J. S., Gimbrone, M. A., Hammacher, A., Betsholtz, C., Westermark, B., & Heldin, C. H. (1987). Cultured human endothelial cells express platelet-derived growth factor A chain.

Chicago Style aipamena

Collins, T., J. S. Pober, M. A. Gimbrone, A. Hammacher, C. Betsholtz, B. Westermark, and C. H. Heldin. Cultured Human Endothelial Cells Express Platelet-derived Growth Factor A Chain. 1987.

MLA aipamena

Collins, T., et al. Cultured Human Endothelial Cells Express Platelet-derived Growth Factor A Chain. 1987.