APA (7th ed.) Citation

(1999). Houghton Mifflin mathematics math central, Level 6: Practice and assessment skillpad. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Houghton Mifflin Mathematics Math Central, Level 6: Practice and Assessment Skillpad. Boston, MA: Houghton Mifflin, 1999.

MLA (9th ed.) Citation

Houghton Mifflin Mathematics Math Central, Level 6: Practice and Assessment Skillpad. Houghton Mifflin, 1999.

Warning: These citations may not always be 100% accurate.