Cita APA (7th ed.)

Kowalewski, J., Schulze, S., & Schuster, S. (2010). HWWI Research Paper. HWWI.

Cita Chicago (17th ed.)

Kowalewski, Julia, Sven Schulze, i Stephan Schuster. HWWI Research Paper. Hamburg: HWWI, 2010.

Cita MLA (8th ed.)

Kowalewski, Julia, et al. HWWI Research Paper. HWWI, 2010.