Cita APA (7th ed.)

De Leon, H. S. (2003). Constitution made simple (2nd ed.). Rex Book Store.

Cita Chicago (17th ed.)

De Leon, Hector S. Constitution Made Simple. 2nd ed. Manila: Rex Book Store, 2003.

Cita MLA (9th ed.)

De Leon, Hector S. Constitution Made Simple. 2nd ed. Rex Book Store, 2003.