Cita APA (7a ed.)

Graham, P. (2012). The present: Paul Graham (First edition.). Mack.

Cita Chicago Style (17a ed.)

Graham, Paul. The Present: Paul Graham. First edition. [London]: Mack, 2012.

Cita MLA (8a ed.)

Graham, Paul. The Present: Paul Graham. First edition. Mack, 2012.