For example,
Mooij, M., (2000) ‘The future is predictable for international marketers converging incomes lead to diverging consumer behaviour’, International Marketing Review, 2(1), pp. 1003-1013.
In-text citation: (Mooij, 2000)
Chebet, W. T., Rotich, J. K. & Kurgat, A., (2015) ‘Negotiation skills: Keys to business excellence in the 21st century?’, European Journal of Research and Reflection in Management Sciences, 3(3), pp. 23-31.
In-text citation: (Chebet, et al., 2015)
Note: If you’re using an information source which has more two authors, you should include the in-text citation as ‘et al‘ (Refer to the above example).