 Despeux (2008:234) said, "Abstention from cereals should also be situated in the historical context of social unrest and famine."
<clarity>  Despeux (2008:234) said, "Abstention from cereals should also be situated in the historical context of social unrest and famine."
 Despeux said, "Abstention from cereals should also be situated in the historical context of social unrest and famine."