APA citiranje

Schaefer, G. O., Emanuel, E. J., & Wertheimer, A. (2009). The Obligation to Participate in Biomedical Research.

Citação norma Chicago

Schaefer, G. Owen, Ezekiel J. Emanuel, and Alan Wertheimer. The Obligation to Participate in Biomedical Research. 2009.

MLA citiranje

Schaefer, G. Owen, Ezekiel J. Emanuel, and Alan Wertheimer. The Obligation to Participate in Biomedical Research. 2009.