APA (7th ed.) Citation

(1998). Sexually transmitted infections: STI online. BMJ Publ. Group.

Chicago Style (17th ed.) Citation

Sexually Transmitted Infections: STI Online. [London]: BMJ Publ. Group, 1998.

MLA (9th ed.) Citation

Sexually Transmitted Infections: STI Online. BMJ Publ. Group, 1998.

Warning: These citations may not always be 100% accurate.