In-text citation
Example one:
Blocker and Wahl-Alexander (2018:57) state that…
Example two:
Information overload can have serious consequences (Blocker & Wahl-Alexander, 2018:56
Reference List entry
Journal article example
Blocker, D. & Wahl-Alexander, Z. (2018). Using sport education in a university physical activity course. Journal of Physical Education, Recreation & Dance, 89(2): 56-61. https://doi.org/10.1080/07303084.2017.1404512