Identify the error in this in-text citation for an article on the Internet with no author identified.

(Anon. "The Metric System")

a) no page number

b) too much information

c) not enough information

d) wrong information

b) too much information

The "anon" in the parenthetical citation is unnecessary and does not need to be included. For an internet article with no author, there is no need to reference any (unknown) authorship. Just the title, or shortened few words of the title if it's a long one) needs to go in the in text citation.