MLA

Sourina, Olga, Seongdong Kim, and David Wortley. Subconscious Learning Via Games and Social Media. Springer Singapore, 2015.

APA

Sourina, O., Kim, S., & Wortley, D. (2015). Subconscious Learning via Games and Social Media. Springer Singapore.

Chicago

Sourina, Olga, Seongdong Kim, and David Wortley. Subconscious Learning Via Games and Social Media. : Springer Singapore, 2015.