Crowdsourcing for dummies
MLA
Grier, David Alan. Crowdsourcing for Dummies. --for Dummies. Chichester [England]: Wiley, 2013
APA, 7th edition
Grier, D. Alan. (2013). Crowdsourcing for dummies. --for dummies. Chichester [England]: Wiley
Chicago, 17th edition
Grier, David Alan. Crowdsourcing for dummies. --for dummies. Chichester [England]: Wiley, 2013