APA引文

Smith, H. (1950). The virulence-enhancing factor of mucins. 2. Fractionation studies on hog gastric mucin.

Citação norma Chicago

Smith, H. The Virulence-enhancing Factor of Mucins. 2. Fractionation Studies On Hog Gastric Mucin. 1950.

MLA引文

Smith, H. The Virulence-enhancing Factor of Mucins. 2. Fractionation Studies On Hog Gastric Mucin. 1950.

警告：這些引文格式不一定是100％准確.