APA (7th ed.) Citation

Lopez, O. L. The effects of practice and practice-preparation types of assignment on chemistry achievement.

Chicago Style (17th ed.) Citation

Lopez, Ofelia Laguio. The Effects of Practice and Practice-preparation Types of Assignment on Chemistry Achievement.

MLA (9th ed.) Citation

Lopez, Ofelia Laguio. The Effects of Practice and Practice-preparation Types of Assignment on Chemistry Achievement.

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