Cita APA (7a ed.)

Grier, D. A. (2013). Crowdsourcing for dummies (1st edition.). Wiley.

Cita Chicago Style (17a ed.)

Grier, David Alan. Crowdsourcing for Dummies. 1st edition. Chichester [England]: Wiley, 2013.

Cita MLA (9a ed.)

Grier, David Alan. Crowdsourcing for Dummies. 1st edition. Wiley, 2013.