APA (7th ed.) Citation

Teodoro, B. D., & De Leon, H. S. (1998). The law on income taxation (9th ed.).

Chicago Style (17th ed.) Citation

Teodoro, Benjamin D., and Hector S. De Leon. The Law on Income Taxation. 9th ed. Manila, Rex Book Store, 1998.

MLA (9th ed.) Citation

Teodoro, Benjamin D., and Hector S. De Leon. The Law on Income Taxation. 9th ed. 1998.