APA (7th ed.) Citation

(2005). Is It Always Unethical to Use a Placebo in a Clinical Trial? Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Is It Always Unethical to Use a Placebo in a Clinical Trial? Public Library of Science (PLoS), 2005.

MLA (8th ed.) Citation

Is It Always Unethical to Use a Placebo in a Clinical Trial? Public Library of Science (PLoS), 2005.

Warning: These citations may not always be 100% accurate.