Swatschek, D., Schatton, W., Kellermann, J., Müller, W. E., & Kreuter, J. (2002). Marine sponge collagen: Isolation, characterization and effects on the skin parameters surface-pH, moisture and sebum. European journal of pharmaceutics and biopharmaceutics, 53(1), 107-113. https://doi.org/10.1016/S0939-6411(01)00192-8
Chicago Style (17th ed.) CitationSwatschek, Dieter, Wolfgang Schatton, Josef Kellermann, Werner E.G Müller, and Jörg Kreuter. "Marine Sponge Collagen: Isolation, Characterization and Effects on the Skin Parameters Surface-pH, Moisture and Sebum." European Journal of Pharmaceutics and Biopharmaceutics 53, no. 1 (2002): 107-113. https://doi.org/10.1016/S0939-6411(01)00192-8.
MLA (9th ed.) CitationSwatschek, Dieter, et al. "Marine Sponge Collagen: Isolation, Characterization and Effects on the Skin Parameters Surface-pH, Moisture and Sebum." European Journal of Pharmaceutics and Biopharmaceutics, vol. 53, no. 1, 2002, pp. 107-113, https://doi.org/10.1016/S0939-6411(01)00192-8.