APA način citiranja

Heard, B. J., Martin, L., Rattner, J. B., Frank, C. B., Hart, D. A., & Krawetz, R. (2012). Matrix metalloproteinase protein expression profiles cannot distinguish between normal and early osteoarthritic synovial fluid. BioMed Central.

Čikaški stil citiranja

Heard, Bryan J., Liam Martin, Jerome B. Rattner, Cyril B. Frank, David A. Hart, i Roman Krawetz. Matrix Metalloproteinase Protein Expression Profiles Cannot Distinguish between Normal and Early Osteoarthritic Synovial Fluid. BioMed Central, 2012.

MLA način citiranja

Heard, Bryan J., et al. Matrix Metalloproteinase Protein Expression Profiles Cannot Distinguish between Normal and Early Osteoarthritic Synovial Fluid. BioMed Central, 2012.