APA引文

Walker, R. H., & Goodwin, J. (1971). Quantitative aspects of lung scanning.

Citação norma Chicago

Walker, R. H., and J. Goodwin. Quantitative Aspects of Lung Scanning. 1971.

MLA引文

Walker, R. H., and J. Goodwin. Quantitative Aspects of Lung Scanning. 1971.

警告：這些引文格式不一定是100％准確.