Cita APA (7th ed.)

Schibel, K., Alber, G., & Hanisch, A. (2002). Annual report 2002-2003. Frankfurt am Main: Climate Alliance.

Cita Chicago (17th ed.)

Schibel, Karl-Ludwig, Gotelind Alber, i Angela Hanisch. Annual Report 2002-2003. Frankfurt am Main: Climate Alliance, 2002.

Cita MLA (8th ed.)

Schibel, Karl-Ludwig, et al. Annual Report 2002-2003. Frankfurt am Main: Climate Alliance, 2002.