APA (7th ed.) Citation

University of the Philippines, Q. C. S. E. C. E. S. P. T., & Cortes, L. P. (1983). Earth science: The Philippines in focus. The Center.

Chicago Style (17th ed.) Citation

University of the Philippines, Quezon City. Science Education Center. Earth Science Project Team, and Leticia P. Cortes. Earth Science: The Philippines in Focus. Quezon City: The Center, 1983.

MLA (9th ed.) Citation

University of the Philippines, Quezon City. Science Education Center. Earth Science Project Team, and Leticia P. Cortes. Earth Science: The Philippines in Focus. The Center, 1983.