Citazione Stile APA (7a Edizione)

Egger, R., Gula, I., & Walcher, D. (2016). Open tourism: Open innovation, crowdsourcing and co-creation challenging the tourism industry. Springer.

Citazione stile Chigago Style (17a edizione)

Egger, Roman, Igor Gula, e Dominik Walcher. Open Tourism: Open Innovation, Crowdsourcing and Co-creation Challenging the Tourism Industry. Berlin, [Germany], Heidelberg, [Germany]: Springer, 2016.

Citatione MLA (9a ed.)

Egger, Roman, et al. Open Tourism: Open Innovation, Crowdsourcing and Co-creation Challenging the Tourism Industry. Springer, 2016.