APA (7th ed.) Citation

Philippines, Macapagal, D., & Montejo, C. R. (1973). The constitution explained. Recto Book Supply.

Chicago Style (17th ed.) Citation

Philippines, Diosdado Macapagal, and Cirilo Roy Montejo. The Constitution Explained. Manila: Recto Book Supply, 1973.

MLA (9th ed.) Citation

Philippines, et al. The Constitution Explained. Recto Book Supply, 1973.