APA (7th ed.) Citation

Yusof, S., Tee, P. L., & Mohamed, S. (2004). Roselle and its benefits. The Research Management Centre.

Chicago Style (17th ed.) Citation

Yusof, Salmah, Pau Ling Tee, and Suhaila Mohamed. Roselle and Its Benefits. The Research Management Centre, 2004.

MLA (9th ed.) Citation

Yusof, Salmah, et al. Roselle and Its Benefits. The Research Management Centre, 2004.