Cita APA (7th ed.)

(1993). Storno: Holger John, Frank Nitsche, Wolfram Neumann.

Cita Chicago (17th ed.)

Storno: Holger John, Frank Nitsche, Wolfram Neumann. Berlin, 1993.

Cita MLA (8th ed.)

Storno: Holger John, Frank Nitsche, Wolfram Neumann. 1993.