Παραπομπή σε μορφή APA (7η εκδ.)

Speich, B., Logullo, P., Deuster, S., Marian, I., Moschandreas, J., Herav, A., . . . Group, M. R. T. A. (2020). A meta-research study revealed several challenges in obtaining placebos for investigator-initiated drug trials. Elsevier.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Speich, B., et al. A Meta-research Study Revealed Several Challenges in Obtaining Placebos for Investigator-initiated Drug Trials. Elsevier, 2020.

Παραπομπή σε μορφή MLA (9th εκδ.)

Speich, B., et al. A Meta-research Study Revealed Several Challenges in Obtaining Placebos for Investigator-initiated Drug Trials. Elsevier, 2020.