Cita APA (7a ed.)
Grudin, J. ACM Transactions on Computer-Human Interaction: September 1999 : Volume 6 : Number 3. Association for Computing Machinery.
Cita estilo Chicago (17a ed.)
Grudin, Jonathan. ACM Transactions on Computer-Human Interaction: September 1999 : Volume 6 : Number 3. Nueva York, EUA: Association for Computing Machinery.
Cita MLA (9a ed.)
Grudin, Jonathan. ACM Transactions on Computer-Human Interaction: September 1999 : Volume 6 : Number 3. Association for Computing Machinery.
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