APA (7th ed.) Citation

De Leon, H. S. (1970). The law on sales, agency and credit transactions. National Book Store.

Chicago Style (17th ed.) Citation

De Leon, Hector S. The Law on Sales, Agency and Credit Transactions. [Manila: National Book Store, 1970.

MLA (9th ed.) Citation

De Leon, Hector S. The Law on Sales, Agency and Credit Transactions. National Book Store, 1970.

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