Cita APA (7a ed.)
Bookmarks: For everyone who hasn't read everything. Phillips & Nelson Media.
Cita Chicago Style (17a ed.)
Bookmarks: For Everyone Who Hasn't Read Everything. San Mateo, CA: Phillips & Nelson Media.
Cita MLA (9a ed.)
Bookmarks: For Everyone Who Hasn't Read Everything. Phillips & Nelson Media.
Precaución: Estas citas no son 100% exactas.