Cita APA (7a ed.)
(1981). General systems bulletin. Society for General Systems Research.
Cita Chicago Style (17a ed.)
General Systems Bulletin. Louisville: Society for General Systems Research, 1981.
Cita MLA (9a ed.)
General Systems Bulletin. Society for General Systems Research, 1981.
Precaución: Estas citas no son 100% exactas.