APA (7th ed.) Citation

Philippines. University of the Philippines. Learning Resource Center, Learning Resource Center. University of the Philippines, & Panopio, R. G. Personalized system of instruction (PSI) for college algebra. Learning Resource Center. University of the Philippines.

Chicago Style (17th ed.) Citation

Philippines. University of the Philippines. Learning Resource Center, Learning Resource Center. University of the Philippines, and Rolando G. Panopio. Personalized System of Instruction (PSI) for College Algebra. Quezon City: Learning Resource Center. University of the Philippines.

MLA (9th ed.) Citation

Philippines. University of the Philippines. Learning Resource Center, et al. Personalized System of Instruction (PSI) for College Algebra. Learning Resource Center. University of the Philippines.