APA Style
Richards, Thomas -p. (2007).
Spectrum Math Grade 4 .
Ohio, United States:
.
Chicago Style
Richards, Thomas -p.
Spectrum Math Grade 4.
Ohio, United States:
,
2007.
Text.
MLA Style
Richards, Thomas -p.
Spectrum Math Grade 4.
Ohio, United States:
,
2007.
Text.
Turabian Style
Richards, Thomas -p.
Spectrum Math Grade 4.
Ohio, United States:
,
2007.
Print.