APA (7th ed.) Citation

Tengonciang, S. G. (1975). General and qualitative chemistry. National Book Store.

Chicago Style (17th ed.) Citation

Tengonciang, Salustiano G. General and Qualitative Chemistry. [Manila: National Book Store, 1975.

MLA (9th ed.) Citation

Tengonciang, Salustiano G. General and Qualitative Chemistry. National Book Store, 1975.

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