APA citiranje

Tetzlaff, J. M., Chan, A., Kitchen, J., Sampson, M., Tricco, A. C., & Moher, D. (2012). Guidelines for randomized clinical trial protocol content: A systematic review. BioMed Central.

Citação norma Chicago

Tetzlaff, Jennifer M., An-Wen Chan, Jessica Kitchen, Margaret Sampson, Andrea C. Tricco, and David Moher. Guidelines for Randomized Clinical Trial Protocol Content: A Systematic Review. BioMed Central, 2012.

MLA citiranje

Tetzlaff, Jennifer M., et al. Guidelines for Randomized Clinical Trial Protocol Content: A Systematic Review. BioMed Central, 2012.