APA (7th ed.) Citation

Sibal, J. A. R. (1994). The Constitution of the Republic of the Philippines, 1987 (2nd ed.). Central Professional Books.

Chicago Style (17th ed.) Citation

Sibal, Jose Agaton R. The Constitution of the Republic of the Philippines, 1987. 2nd ed. Quezon City: Central Professional Books, 1994.

MLA (9th ed.) Citation

Sibal, Jose Agaton R. The Constitution of the Republic of the Philippines, 1987. 2nd ed. Central Professional Books, 1994.