APA-Zitierstil (7. Ausg.)

Alonso, O. (2019). The practice of crowdsourcing. Morgan & Claypool Publishers.

Chicago-Zitierstil (17. Ausg.)

Alonso, Omar. The Practice of Crowdsourcing. [San Rafael, California]: Morgan & Claypool Publishers, 2019.

MLA-Zitierstil (9. Ausg.)

Alonso, Omar. The Practice of Crowdsourcing. Morgan & Claypool Publishers, 2019.