APA ציטוט

Gillam, A. E., & El Ridi, M. S. (1935). Carotenoids and vitamin A in cow's blood serum.

Citação norma Chicago

Gillam, Albert Edward, and Mohamed Shafik El Ridi. Carotenoids and Vitamin A in Cow's Blood Serum. 1935.

ציטוט MLA

Gillam, Albert Edward, and Mohamed Shafik El Ridi. Carotenoids and Vitamin A in Cow's Blood Serum. 1935.