APA引文

Clarke, S. C., & McIntyre, M. (1995). Contamination of crystal violet in the gram stain method.

Citação norma Chicago

Clarke, S C., and M. McIntyre. Contamination of Crystal Violet in the Gram Stain Method. 1995.

MLA引文

Clarke, S C., and M. McIntyre. Contamination of Crystal Violet in the Gram Stain Method. 1995.

警告:這些引文格式不一定是100%准確.