APA (7th ed.) Citation

De Leon, H. S. (2003). Philippine constitutional law: Principles and cases (3rd ed.). Rex Book Store.

Chicago Style (17th ed.) Citation

De Leon, Hector S. Philippine Constitutional Law: Principles and Cases. 3rd ed. Manila: Rex Book Store, 2003.

MLA (9th ed.) Citation

De Leon, Hector S. Philippine Constitutional Law: Principles and Cases. 3rd ed. Rex Book Store, 2003.

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