APA引文

Kelly, B., & Levy, J. G. (1977). Evidence for a common tumour-associated antigen in extracts of human bronchogenic carcinoma. Nature Publishing Group.

Citação norma Chicago

Kelly, B., and J. G. Levy. Evidence for a Common Tumour-associated Antigen in Extracts of Human Bronchogenic Carcinoma. Nature Publishing Group, 1977.

MLA引文

Kelly, B., and J. G. Levy. Evidence for a Common Tumour-associated Antigen in Extracts of Human Bronchogenic Carcinoma. Nature Publishing Group, 1977.

警告：這些引文格式不一定是100％准確.