APA (7th ed.) Citation

De Leon, H. S., & De Leon, H. M. J. (2014). Student's manual on the new constitution (Seventh edition.). Rex Book Store.

Chicago Style (17th ed.) Citation

De Leon, Hector S., and Hector M. Jr De Leon. Student's Manual on the New Constitution. Seventh edition. Manila: Rex Book Store, 2014.

MLA (9th ed.) Citation

De Leon, Hector S., and Hector M. Jr De Leon. Student's Manual on the New Constitution. Seventh edition. Rex Book Store, 2014.