APA Style
Keller, C, C, D, M, L, S. (2007).
Understanding Sociology (9th Edition).
Belmont, CA:
Wadsworth (a division of Cengage Learning).
MLA Style
Keller, Craig, Calhoun,, Donald, M., Light,, Suzanne.
"Understanding Sociology".
9th Edition
Belmont, CA:
Wadsworth (a division of Cengage Learning),
2007.
BOOK.