In-text and/or parenthetical citations include...
Short quotation examples:
According to Jones (1998), "Students often had difficulty using APA style, especially when it was their first time" (p. 199).
Jones (1998) found "students often had difficulty using APA style" (p. 199); what implications does this have for teachers?
Long quotations (40 words+, block indent, leave off quotation marks)
Jones's (1998) study found the following:
Students often had difficulty using APA style, especially when it was their first time citing sources. This difficulty could be attributed to the fact that many students failed to purchase a style manual or to ask their teacher for help. (p. 199)
Paraphrases:
According to Jones (1998), APA style is a difficult citation format for first-time learners.
APA style is a difficult citation format for first-time learners (p. 199).
Resources:
Via Purdue OWL
FAQs for APA In-Text referencing
In APA, it's most common to put the author's name in the text and use parenthesis only for dates and pages.
This diagram shows which signal phrases to use for the meaning you intend. See more HERE.