APA Citation

Zumdahl, S. S., & Zumdahl, S. A. Chemistry (Ninth edition.).

Chicago Style Citation

Zumdahl, Steven S., and Susan A. Zumdahl. Chemistry. Ninth edition.

MLA Citation

Zumdahl, Steven S., and Susan A. Zumdahl. Chemistry. Ninth edition.

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