Cita APA (7a ed.)

Stanley, G. Before and after Twitter: : Personal Learning Environments. Puertas Abiertas., No. 6 (2010), .

Cita Chicago Style (17a ed.)

Stanley, Graham. "Before and After Twitter: : Personal Learning Environments." Puertas Abiertas. No. 6 (2010) ().

Cita MLA (9a ed.)

Stanley, Graham. "Before and After Twitter: : Personal Learning Environments." Puertas Abiertas., vol. No. 6 (2010), .