If a source has no author listed, place the title at the beginning in place of the author and before the date, using sentence case. Do not italicize the title of an article; do italicize the title of a book. Only if the text is attributed to Anonymous is the word Anonymous used as the name of the author.

Clinton puts “human face” on health-care plan.

Merriam-Webster’s collegiate dictionary (11th ed.)

Anonymous. (2019). A warning.