APA引文

Lange, N. E., Litonjua, A., Hawrylowicz, C. M., & Weiss, S. (2009). Vitamin D, the immune system and asthma.

Citação norma Chicago

Lange, Nancy E., Augusto Litonjua, Catherine M. Hawrylowicz, and Scott Weiss. Vitamin D, the Immune System and Asthma. 2009.

MLA引文

Lange, Nancy E., Augusto Litonjua, Catherine M. Hawrylowicz, and Scott Weiss. Vitamin D, the Immune System and Asthma. 2009.

警告：這些引文格式不一定是100％准確.