APA引文

Freeman, L. W., & Wright, T. W. (1953). Experimental Observations of Concussion and Contusion of the Spinal Cord.

Citação norma Chicago

Freeman, L. W., and T. W. Wright. Experimental Observations of Concussion and Contusion of the Spinal Cord. 1953.

MLA引文

Freeman, L. W., and T. W. Wright. Experimental Observations of Concussion and Contusion of the Spinal Cord. 1953.

警告：這些引文格式不一定是100％准確.