Which sentence has a correctly formatted in-text citation?
a. Dodgeball leagues have "grown increasingly popular as a way to meet people" (Richter & Jackson, 2015).
b. Dodgeball leagues (2015) have "grown increasingly popular as a way to meet people" (pp. 3-4).
c. Dodgeball teagues have "grown increasingly popular as a way to meet people." (RIchter & Jackson, 2015, pp. 3-4)
d. Dodgeball leagues have "grown increasingly popular as a way to meet people" (Richter & Jackson, 2015, pp. 3-4).