What should you record on a bibliographic card if you're using the index card organizational system

The correct answer is :

MLA bibliographic info.

The purpose of a bibliographic card in the index-card organizational system of note-taking is to record source information in the MLA format.

The Modern Language Association (MLA) is an organization responsible for developing MLA format, also termed MLA style. MLA format was stated as a method for researchers, students, and scholars to apply a uniform format in their writings.

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."