APA (7th ed.) Citation

Ballesfin, E. R., Ponce, G. A., & Santos, M. L. C. (1964). Refined and industrial salt. College of Engineering.

Chicago Style (17th ed.) Citation

Ballesfin, Elpha R., Genomarta A.R Ponce, and Maria Luisa C. Santos. Refined and Industrial Salt. Quezon City: College of Engineering, 1964.

MLA (9th ed.) Citation

Ballesfin, Elpha R., et al. Refined and Industrial Salt. College of Engineering, 1964.