Cita APA (7a ed.)

De Leon, H. S. (1988). Student's manual on the new constitution (1988 edition.). Rex Book Store.

Cita Chicago Style (17a ed.)

De Leon, Hector S. Student's Manual on the New Constitution. 1988 edition. Manila: Rex Book Store, 1988.

Cita MLA (9a ed.)

De Leon, Hector S. Student's Manual on the New Constitution. 1988 edition. Rex Book Store, 1988.