APA ציטוט

Bull, A. D., Channer, J., Cross, S. S., Start, R. D., & Kennedy, A. (1991). Unrecognised HIV related deaths.

Citação norma Chicago

Bull, A D., J. Channer, S S. Cross, R D. Start, and A. Kennedy. Unrecognised HIV Related Deaths. 1991.

ציטוט MLA

Bull, A D., et al. Unrecognised HIV Related Deaths. 1991.