APA citiranje

Wager, E., Barbour, V., Yentis, S., & Kleinert, S. (2009). Retractions: Guidance from the Committee on Publication Ethics (COPE). Croatian Medical Schools.

Citação norma Chicago

Wager, Elizabeth, Virginia Barbour, Steven Yentis, and Sabine Kleinert. Retractions: Guidance From the Committee On Publication Ethics (COPE). Croatian Medical Schools, 2009.

MLA citiranje

Wager, Elizabeth, Virginia Barbour, Steven Yentis, and Sabine Kleinert. Retractions: Guidance From the Committee On Publication Ethics (COPE). Croatian Medical Schools, 2009.