APA引文

Sherman, P. A., & Fyfe, J. A. (1990). Human immunodeficiency virus integration protein expressed in Escherichia coli possesses selective DNA cleaving activity.

Citação norma Chicago

Sherman, P A., and J A. Fyfe. Human Immunodeficiency Virus Integration Protein Expressed in Escherichia Coli Possesses Selective DNA Cleaving Activity. 1990.

MLA引文

Sherman, P A., and J A. Fyfe. Human Immunodeficiency Virus Integration Protein Expressed in Escherichia Coli Possesses Selective DNA Cleaving Activity. 1990.

警告：這些引文格式不一定是100％准確.