Choose the correct parenthetical citation for the following sentence in a research paper.
According to Dr. Clayton Stephens, the effects of global warming are increasingly significant.
A(75).
B(Stephens 75).
C(Stephens, 75)
D(75, Stephens).
According to Dr. Clayton Stephens, the effects of global warming are increasingly significant.
A(75).
B(Stephens 75).
C(Stephens, 75)
D(75, Stephens).