How can I do this style of citation in LaTeX (Shannon 1948)

what package I need?

I have used


and the output was [1] and I need to to be for example (Shannon 1948)

  • 2
    your code snippet shows that you are using bibtex and not biblatex. Create a complete example that we can see what you really did. – user2478 Nov 13 '13 at 10:19
  • 6
    The bibliography style should be plainnat. plain is not compatible with the natbib authoryear option. – Guido Nov 13 '13 at 11:20
  • A very powerful examples listing for natbib – loved.by.Jesus Nov 1 '18 at 20:40

I solve it

it should be


and use \citep instead of \cite

| improve this answer | |
  • 12
    For future readers, \citep will produce (Author et al., 2006) and \cite will produce Author et al. (2006). – Armand Maree Mar 23 '17 at 20:18

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