Cita APA (7a ed.)

Döll, S., & Schulze, S. (2010). HWWI Research Paper. HWWI.

Cita Chicago Style (17a ed.)

Döll, Sebastian, y Sven Schulze. HWWI Research Paper. Hamburg: HWWI, 2010.

Cita MLA (8a ed.)

Döll, Sebastian, y Sven Schulze. HWWI Research Paper. HWWI, 2010.