APA (7th ed.) Citation

Cruz, I. A. (1989). Constitutional law (1989 ed.). Central Lawbook Pub. Co.

Chicago Style (17th ed.) Citation

Cruz, Isagani A. Constitutional Law. 1989 ed. Quezon City: Central Lawbook Pub. Co, 1989.

MLA (9th ed.) Citation

Cruz, Isagani A. Constitutional Law. 1989 ed. Central Lawbook Pub. Co, 1989.

Warning: These citations may not always be 100% accurate.