How to remove one reference from several references?

Hello all,

I want to remove one reference from this list ,I tried to do so but it came back.

Any ideas.

(De Rosnay et al., 2011; de Rosnay et al., 2013; Draper et al., 2009; Drusch et al., 2009; Reichle et al., 2007; Sabater et al., 2007)

Thanks

Hi Leanne,

Is there any way to remove and replace 1 citation from several cited sourcess when they are between (    )