Cita APA (7a ed.)

Sin autor & Nardi, B. A. (1997). Context and consciousness: Activity theory and human-computer interaction (2nd print. ed.). [S.n.].

Cita Chicago Style (17a ed.)

Sin autor y Bonnie A. Nardi. Context and Consciousness: Activity Theory and Human-computer Interaction. 2nd print. ed. Cambridge: [S.n.], 1997.

Cita MLA (9a ed.)

Sin autor y Bonnie A. Nardi. Context and Consciousness: Activity Theory and Human-computer Interaction. 2nd print. ed. [S.n.], 1997.