Cita APA (7a ed.)

Shamir, Y. (2013). Checkpoint. [s.n.].

Cita Chicago Style (17a ed.)

Shamir, Yoau. Checkpoint. [S.l.]: [s.n.], 2013.

Cita MLA (8a ed.)

Shamir, Yoau. Checkpoint. [s.n.], 2013.