APA引文

Jorgensen, J. H., Maher, L. A., & Howell, A. W. (1991). Activity of clarithromycin and its principal human metabolite against Haemophilus influenzae.

Citação norma Chicago

Jorgensen, J H., L A. Maher, and A W. Howell. Activity of Clarithromycin and Its Principal Human Metabolite against Haemophilus Influenzae. 1991.

MLA引文

Jorgensen, J H., L A. Maher, and A W. Howell. Activity of Clarithromycin and Its Principal Human Metabolite against Haemophilus Influenzae. 1991.

警告：這些引文格式不一定是100％准確.