APA (7th ed.) Citation

PP, P., DR, I., KW, E., JG, K., L, Y., CT, R., . . . PJ, K. (2008). Collagen density promotes mammary tumor initiation and progression. BMC medicine, 6, 11. https://doi.org/10.1186/1741-7015-6-11

Chicago Style (17th ed.) Citation

PP, Provenzano, Inman DR, Eliceiri KW, Knittel JG, Yan L, Rueden CT, White JG, and Keely PJ. "Collagen Density Promotes Mammary Tumor Initiation and Progression." BMC Medicine 6 (2008): 11. https://doi.org/10.1186/1741-7015-6-11.

MLA (9th ed.) Citation

PP, Provenzano, et al. "Collagen Density Promotes Mammary Tumor Initiation and Progression." BMC Medicine, vol. 6, 2008, p. 11, https://doi.org/10.1186/1741-7015-6-11.