APA (7th ed.) Citation

De Leon, H. S. (1988). The fundamentals of taxation (1988 ed.). Rex Book Store.

Chicago Style (17th ed.) Citation

De Leon, Hector S. The Fundamentals of Taxation. 1988 ed. Manila: Rex Book Store, 1988.

MLA (9th ed.) Citation

De Leon, Hector S. The Fundamentals of Taxation. 1988 ed. Rex Book Store, 1988.