APA引文

O'Donnell, L. J., & Fairclough, P. D. (1993). Gall stones and gall bladder motility.

Citação norma Chicago

O'Donnell, L J., and P D. Fairclough. Gall Stones and Gall Bladder Motility. 1993.

MLA引文

O'Donnell, L J., and P D. Fairclough. Gall Stones and Gall Bladder Motility. 1993.

警告：這些引文格式不一定是100％准確.