APA引文

Sorger, G. J., & Trofimenkoff, D. (1970). Nitrogenaseless Mutants of Azotobacter vinelandii.

Citação norma Chicago

Sorger, George J., and Diane Trofimenkoff. Nitrogenaseless Mutants of Azotobacter Vinelandii. 1970.

MLA引文

Sorger, George J., and Diane Trofimenkoff. Nitrogenaseless Mutants of Azotobacter Vinelandii. 1970.

警告：這些引文格式不一定是100％准確.