APA引文

Greiff, L., Wollmer, P., Erjefält, I., Andersson, M., Pipkorn, U., & Persson, C. G. (1993). Effects of nicotine on the human nasal mucosa.

Citação norma Chicago

Greiff, L., P. Wollmer, I. Erjefält, M. Andersson, U. Pipkorn, and C G. Persson. Effects of Nicotine On the Human Nasal Mucosa. 1993.

MLA引文

Greiff, L., et al. Effects of Nicotine On the Human Nasal Mucosa. 1993.