Cita APA (7th ed.)

Higgie, J., & Griffin, T. (2007). Zwei Umschläge. Parkett.

Cita Chicago (17th ed.)

Higgie, Jennifer, i Tim Griffin. "Zwei Umschläge." Parkett 2007.

Cita MLA (8th ed.)

Higgie, Jennifer, i Tim Griffin. "Zwei Umschläge." Parkett, 2007.