Cita APA (7a ed.)
Grudin, J. ACM Transactions on Computer-Human Interaction: March 1999 : Volume 6 : Number 1. Association for Computing Machinery.
Cita estilo Chicago (17a ed.)
Grudin, Jonathan. ACM Transactions on Computer-Human Interaction: March 1999 : Volume 6 : Number 1. Nueva York, EUA: Association for Computing Machinery.
Cita MLA (9a ed.)
Grudin, Jonathan. ACM Transactions on Computer-Human Interaction: March 1999 : Volume 6 : Number 1. Association for Computing Machinery.
Precaución: Estas citas no son 100% exactas.