A question that makes the reader think of the answer based on what they know. Ex: Do you think Anne Frank is a girl all girls should look up to? A question that makes the reader think of the answer based on what they know.
MLA is first and foremost a set of guidelines for including parenthetical information to cite sources. It focuses on author information when giving credit to sources, so most citation involves using the names of the author or authors of any source.
MLA referencing elements. This page describes what to do when there are multiple or missing parts (elements) of an MLA list of works cited or in-text citation: Reference within a source (secondary source) 2+ authors. No author. City of publication. 2+ cities of publication. No city of publication. Publisher.