APA (7th ed.) Citation

Merrill, R. J., & Ridgway, D. W. (1969). The CHEM study story. W.H. Freeman.

Chicago Style (17th ed.) Citation

Merrill, Richard J., and David W. Ridgway. The CHEM Study Story. San Francisco: W.H. Freeman, 1969.

MLA (9th ed.) Citation

Merrill, Richard J., and David W. Ridgway. The CHEM Study Story. W.H. Freeman, 1969.