APA (7th ed.) Citation

De Leon, H. S. (1977). Handbook on insurance and sales (with insolvency law). National Book Store.

Chicago Style (17th ed.) Citation

De Leon, Hector S. Handbook on Insurance and Sales (with Insolvency Law). Manila: National Book Store, 1977.

MLA (9th ed.) Citation

De Leon, Hector S. Handbook on Insurance and Sales (with Insolvency Law). National Book Store, 1977.