Cita APA (7a ed.)

Ott, S., & Kupetz, A. (2004). Issentials 04: IMM Cologne 2004. Koelnmesse.

Cita Chicago Style (17a ed.)

Ott, Stephan, y Andrej Kupetz. Issentials 04: IMM Cologne 2004. Köln: Koelnmesse, 2004.

Cita MLA (9a ed.)

Ott, Stephan, y Andrej Kupetz. Issentials 04: IMM Cologne 2004. Koelnmesse, 2004.