Cita APA (7th ed.)

Wartolowska, K., Beard, D., & Carr, A. (2018). The use of placebos in controlled trials of surgical interventions: A brief history. SAGE Publications.

Cita Chicago (17th ed.)

Wartolowska, K., D. Beard, i A. Carr. The Use of Placebos in Controlled Trials of Surgical Interventions: A Brief History. SAGE Publications, 2018.

Cita MLA (9th ed.)

Wartolowska, K., et al. The Use of Placebos in Controlled Trials of Surgical Interventions: A Brief History. SAGE Publications, 2018.