APA Style
Judd, C, M. et al (1991).
Research Methods in Social Relations (6th ed).
Forth Worth:
Harcourt Brace Jovanovich.
MLA Style
Judd, Charles, M. et al.
"Research Methods in Social Relations".
6th ed
Forth Worth:
Harcourt Brace Jovanovich,
1991.
print.