The Basics of APA Style - Tutorial (from APA)Useful Slides:
Slide 14 Citing Reference in Text (variations in paraphrasing)
Slide 15 Citing References in Text (chart with examples of formatting in-text citations)
Slide 16 Citing Reference in Text (when referring to more than one reference)
Slide 21 The Reference List (examples of DOI, no DOI, and URL)