Cita APA (7th ed.)

Harder, J. (2014). Beta ... civilisations. Carlsen.

Cita Chicago (17th ed.)

Harder, Jens. Beta ... Civilisations. Hamburg: Carlsen, 2014.

Cita MLA (8th ed.)

Harder, Jens. Beta ... Civilisations. Carlsen, 2014.