APA引文

Johnson, D., & Travis, J. (1977). Inactivation of human alpha 1-proteinase inhibitor by thiol proteinases.

Citação norma Chicago

Johnson, D., and J. Travis. Inactivation of Human Alpha 1-proteinase Inhibitor By Thiol Proteinases. 1977.

MLA引文

Johnson, D., and J. Travis. Inactivation of Human Alpha 1-proteinase Inhibitor By Thiol Proteinases. 1977.

警告：這些引文格式不一定是100％准確.