APA (7th ed.) Citation

Population Resources, Environment and the Philippine Futures. (1980). Probing our futures: The Philippines, 2000 A.D. PREPF.

Chicago Style (17th ed.) Citation

Population Resources, Environment and the Philippine Futures. Probing Our Futures: The Philippines, 2000 A.D. Metro-Manila: PREPF, 1980.

MLA (9th ed.) Citation

Population Resources, Environment and the Philippine Futures. Probing Our Futures: The Philippines, 2000 A.D. PREPF, 1980.