APA Citatie

Signs, S. A., File, T. M., & Tan, J. S. (1984). High-pressure liquid chromatographic method for analysis of cephalosporins.

Chicago Style citaat

Signs, S A., T M. File, en J S. Tan. High-pressure Liquid Chromatographic Method for Analysis of Cephalosporins. 1984.

MLA citatie

Signs, S A., T M. File, en J S. Tan. High-pressure Liquid Chromatographic Method for Analysis of Cephalosporins. 1984.