Gaya APA

Henderson, G., S. et al. (2002). Women At Risk : The HPV Epidemic and Your Cervical Health . New York: Avery Penguin Putnam.

Gaya MLA

Henderson, G., S. et al.. Women At Risk : The HPV Epidemic and Your Cervical Health. New York: Avery Penguin Putnam, 2002. Text.