Cita APA (7th ed.)

Abad, G. R. I., Cerrero, G. T., Ty, L. B. E., & Villanueva, F. C. (1999). A Feasibility study on HerbyGel: An Anti-Toothache Herbal Toothpaste. College of Engineering.

Cita Chicago (17th ed.)

Abad, George R. II, Geraldine T. Cerrero, Laura Blossom E. Ty, i Farah C. Villanueva. A Feasibility Study on HerbyGel: An Anti-Toothache Herbal Toothpaste. Diliman, Quezon City: College of Engineering, 1999.

Cita MLA (9th ed.)

Abad, George R. II, et al. A Feasibility Study on HerbyGel: An Anti-Toothache Herbal Toothpaste. College of Engineering, 1999.