Which is the correct MLA format for a parenthetical citation of this book?

Baxter, Harlan. La Niña and El Niño: Two Different Weather Phenomena. New York: Meteorological Press, 2012. Print. 15.

A. (Baxter, p. 15)
B. (Baxter 15)
C. (Harlan Baxter, 15)
D. (La Niña and El Niño: Two Different Weather Phenomena, p. 15)