APA (7th ed.) Citation

Abigan, E. R. J., Benusa, A., & Avila, C. (1987). Focus: The Philippine Constitution of 1986. Edmundo R. Abigan, Jr.

Chicago Style (17th ed.) Citation

Abigan, Edmundo R. Jr, Alan Benusa, and Cynthia Avila. Focus: The Philippine Constitution of 1986. [Manila?]: Edmundo R. Abigan, Jr, 1987.

MLA (9th ed.) Citation

Abigan, Edmundo R. Jr, et al. Focus: The Philippine Constitution of 1986. Edmundo R. Abigan, Jr, 1987.