APA stil citiranja

Lopez-Medina, J., & Blanco, C. (2008). Production systems in southern Europe: Production systems in southern Europe : Huelva (Spain). Pomologia Croatica, p. 4.

Chicago stil citiranja

Lopez-Medina, J., and C. Blanco. "Production systems in southern Europe: Production systems in southern Europe : Huelva (Spain)." 2008: 4.

MLA stil citiranja

Lopez-Medina, J., and C. Blanco. "Production systems in southern Europe: Production systems in southern Europe : Huelva (Spain)." 2008: 4.