Cita APA (7a ed.)

Pias, C. (2009). Playing seriously. Kritische Berichte.

Cita Chicago Style (17a ed.)

Pias, Claus. "Playing Seriously." Kritische Berichte 2009.

Cita MLA (8a ed.)

Pias, Claus. "Playing Seriously." Kritische Berichte, 2009.