Cita APA (7th ed.)

Ojanpera, S., Graham, M., & Zook, M. (2019). The digital knowledge economy index: Mapping content production. Routledge.

Cita Chicago (17th ed.)

Ojanpera, S., M. Graham, i M. Zook. The Digital Knowledge Economy Index: Mapping Content Production. Routledge, 2019.

Cita MLA (9th ed.)

Ojanpera, S., et al. The Digital Knowledge Economy Index: Mapping Content Production. Routledge, 2019.