|Number of authors||Author prominent citation||Information prominent citation||Reference list|
|One||As argued by Walker ||As demonstrated in .||||K. Walker, "Big data and the cloud," IQ: The RIMPA Quart. Mag., vol. 30, p.3, Feb. 2014. [Online]. Available: https://search.informit.org/doi/10.3316/informit.867181037905842|
|Two||As argued by Deitel and Deitel ||According to .||||P. J. Deitel and H. Deitel, Intro to Python for Computer Science and Data Science: Learning to Program with AI, Big Data and the Cloud. New York, NY, USA: Pearson, 2020.|
|Three to six||Abdou et al.  claim that||Credit scoring is essential .||||H. A. Abdou, M. D. Tsafack, C. G. Collins, and R. D. Baker, "Predicting creditworthiness in retail banking with limited scoring data," Knowledge-Based Syst., vol. 103, pp. 89-103, July 2016, doi: 10.1016/j.knosys.2016.03.023.|
|More than six||Amer-Yahia et al.  argue that||It was shown  that ...||||S. Amer-Yahia et al., "INODE: Building an end-to-end data exploration system in practice," SIGMOD Rec., vol. 50, no. 5, pp. 23-29, Dec. 2021, doi: 10.1145/3516431.3516436.|
A secondary citation is one in which you cite the work of an author referred to in another source.
It is best to locate the original source and cite this.