Cita APA (7th ed.)

Westphal, E. (1969). Schwarzer Sommer. Rütten & Loening.

Cita Chicago (17th ed.)

Westphal, Eric. Schwarzer Sommer. Berlin: Rütten & Loening, 1969.

Cita MLA (8th ed.)

Westphal, Eric. Schwarzer Sommer. Rütten & Loening, 1969.