APA (7th ed.) Citation

Ratilla, E. M. A., & Nestor S. Valera. (1998). Systematic inorganic chemistry. Office of Academic Support.

Chicago Style (17th ed.) Citation

Ratilla, Eva Marie A., and Nestor S. Valera. Systematic Inorganic Chemistry. Diliman, Quezon City: Office of Academic Support, 1998.

MLA (9th ed.) Citation

Ratilla, Eva Marie A., and Nestor S. Valera. Systematic Inorganic Chemistry. Office of Academic Support, 1998.