APA引文

Paraskevopoulos, J. A., Gunning, A. J., & Dennison, A. R. (1991). The changing pattern of thoracic surgery in the United Kingdom 1963-1982.

Citação norma Chicago

Paraskevopoulos, J A., A J. Gunning, and A R. Dennison. The Changing Pattern of Thoracic Surgery in the United Kingdom 1963-1982. 1991.

MLA引文

Paraskevopoulos, J A., A J. Gunning, and A R. Dennison. The Changing Pattern of Thoracic Surgery in the United Kingdom 1963-1982. 1991.

警告：這些引文格式不一定是100％准確.