Citação norma APA

Barr, H., Krasner, N., Raouf, A., & Walker, R. J. (1990). Prospective randomised trial of laser therapy only and laser therapy followed by endoscopic intubation for the palliation of malignant dysphagia.

Citação norma Chicago

Barr, H., N. Krasner, A. Raouf, and R J. Walker. Prospective Randomised Trial of Laser Therapy Only and Laser Therapy Followed By Endoscopic Intubation for the Palliation of Malignant Dysphagia. 1990.

Citação norma MLA

Barr, H., N. Krasner, A. Raouf, and R J. Walker. Prospective Randomised Trial of Laser Therapy Only and Laser Therapy Followed By Endoscopic Intubation for the Palliation of Malignant Dysphagia. 1990.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.