For more on citing and using sources see Quoting and Paraphrasing, and Integrating Sources into your Paper.
APA (American Psychological Association) style is most commonly used in the social sciences.
The style uses in-text citations in the author-date style. For example, (Jones, 1998) or if you are using a direct quote (Jones, 1998, p. 199).
Reference List example of a citation from a journal article:
Drollinger, T., Comer, L. B., & Warrington, P. T. (2006). Development and validation of the active empathetic listening scale. Psychology & Marketing, 23(2), 161-180. https://doi.org/10.1002/mar.20105