APA (7th ed.) Citation

Science Education Center, U. o. t. P. (1972). Environmental science 1: Pupil's guide part 2. Science Education Center, University of the Philippines.

Chicago Style (17th ed.) Citation

Science Education Center, University of the Philippines. Environmental Science 1: Pupil's Guide Part 2. Quezon City: Science Education Center, University of the Philippines, 1972.

MLA (9th ed.) Citation

Science Education Center, University of the Philippines. Environmental Science 1: Pupil's Guide Part 2. Science Education Center, University of the Philippines, 1972.