APA引文

Walters, M. I., Edwards, P. R., Waterhouse, J. C., & Howard, P. (1993). Long term domiciliary oxygen therapy in chronic obstructive pulmonary disease.

Citação norma Chicago

Walters, M. I., P. R. Edwards, J. C. Waterhouse, and P. Howard. Long Term Domiciliary Oxygen Therapy in Chronic Obstructive Pulmonary Disease. 1993.

MLA引文

Walters, M. I., P. R. Edwards, J. C. Waterhouse, and P. Howard. Long Term Domiciliary Oxygen Therapy in Chronic Obstructive Pulmonary Disease. 1993.

警告：這些引文格式不一定是100％准確.