Cita APA (7th ed.)
Excerpta Medica Foundation. International congress series. Excerpta Medica Foundation.
Cita Chicago (17th ed.)
Excerpta Medica Foundation. International Congress Series. Amsterdam ; New York: Excerpta Medica Foundation.
Cita MLA (9th ed.)
Excerpta Medica Foundation. International Congress Series. Excerpta Medica Foundation.
Atenció: Aquestes cites poden no estar 100% correctes.