Cita APA (7a ed.)

LEON, H. S. d. (1987). Textbook on the New Philippine Constitution. Rex Book.

Cita Chicago Style (17a ed.)

LEON, Hector S. de. Textbook on the New Philippine Constitution. Quezon: Rex Book, 1987.

Cita MLA (9a ed.)

LEON, Hector S. de. Textbook on the New Philippine Constitution. Rex Book, 1987.