APA (7th ed.) Citation

De Leon, H. S. (1977). The insurance code of the Philippines annotated. Exclusively distributed by National Book Store.

Chicago Style (17th ed.) Citation

De Leon, Hector S. The Insurance Code of the Philippines Annotated. [Manila?]: Exclusively distributed by National Book Store, 1977.

MLA (9th ed.) Citation

De Leon, Hector S. The Insurance Code of the Philippines Annotated. Exclusively distributed by National Book Store, 1977.