Cita APA (7a ed.)
Progressive Librarians Guild. (1990). Progressive librarian. Progressive Librarians Guild.
Cita Chicago Style (17a ed.)
Progressive Librarians Guild. Progressive Librarian. New York, NY: Progressive Librarians Guild, 1990.
Cita MLA (9a ed.)
Progressive Librarians Guild. Progressive Librarian. Progressive Librarians Guild, 1990.
Precaución: Estas citas no son 100% exactas.