APA Style
SPSS Base 8.0: user's guide. (1998).
Chicago:
SPSS.
Chicago Style
SPSS Base 8.0: user's guide.
.
Chicago:
SPSS,
1998.
Text.
MLA Style
SPSS Base 8.0: user's guide.
.
Chicago:
SPSS,
1998.
Text.
Turabian Style
SPSS Base 8.0: user's guide.
Chicago:
SPSS,
1998.
Print.