APA stil citiranja

Veil, J. A., & Špirić, Z. (2001). International petroleum environmental conference (IPEC) offers opportunity for exchange of ideas: International petroleum environmental conference (IPEC) offers opportunity for exchange of ideas. Nafta (Zagreb), p. 2.

Chicago stil citiranja

Veil, John A., and Zdravko Špirić. "International petroleum environmental conference (IPEC) offers opportunity for exchange of ideas: International petroleum environmental conference (IPEC) offers opportunity for exchange of ideas." 2001: 2.

MLA stil citiranja

Veil, John A., and Zdravko Špirić. "International petroleum environmental conference (IPEC) offers opportunity for exchange of ideas: International petroleum environmental conference (IPEC) offers opportunity for exchange of ideas." 2001: 2.

Napomena: Ova citiranost nije uvijek 100% točna.