APA引文

Choo, K. B., Cheung, W. F., Liew, L. N., Lee, H. H., & Han, S. H. (1989). Presence of catenated human papillomavirus type 16 episomes in a cervical carcinoma cell line.

Citação norma Chicago

Choo, K B., W F. Cheung, L N. Liew, H H. Lee, and S H. Han. Presence of Catenated Human Papillomavirus Type 16 Episomes in a Cervical Carcinoma Cell Line. 1989.

MLA引文

Choo, K B., et al. Presence of Catenated Human Papillomavirus Type 16 Episomes in a Cervical Carcinoma Cell Line. 1989.