Cita APA (7a ed.)

Wilson, S., Delaney, B., Roalfe, A., & Hobbs, R. (1999). Clinical trials in primary care. Costs of research should not be borne by service practitioners.

Cita Chicago Style (17a ed.)

Wilson, S., B. Delaney, A. Roalfe, y R. Hobbs. Clinical Trials in Primary Care. Costs of Research Should Not Be Borne by Service Practitioners. 1999.

Cita MLA (9a ed.)

Wilson, S., et al. Clinical Trials in Primary Care. Costs of Research Should Not Be Borne by Service Practitioners. 1999.