APA (7th ed.) Citation

Justiana, S., & Muchtaridi. (2009). Chemistry 2 for senior high school year XI. Yudistira.

Chicago Style (17th ed.) Citation

Justiana, Sandri, and Muchtaridi. Chemistry 2 for Senior High School Year XI. Yudistira, 2009.

MLA (8th ed.) Citation

Justiana, Sandri, and Muchtaridi. Chemistry 2 for Senior High School Year XI. Yudistira, 2009.

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