APA (7th ed.) Citation

Cruz, I. A. (1987). Constitutional law (1987 ed.). Central Lawbook Pub.

Chicago Style (17th ed.) Citation

Cruz, Isagani A. Constitutional Law. 1987 ed. Quezon City: Central Lawbook Pub, 1987.

MLA (9th ed.) Citation

Cruz, Isagani A. Constitutional Law. 1987 ed. Central Lawbook Pub, 1987.