APA (7th ed.) Citation

University of the Philippines (Los Baños). Learning Resource Center, Panopio, R. G., Elec, B. M., Lerios, M. C., Belarmino, M. C., & Velasquez, G. A. (1999). Workbook for PSI for college algebra. Learning Resource Center.

Chicago Style (17th ed.) Citation

University of the Philippines (Los Baños). Learning Resource Center, Rolando G. Panopio, Bernarda M. Elec, Marcelina C. Lerios, Myrna C. Belarmino, and Gemma A. Velasquez. Workbook for PSI for College Algebra. Quezon City: Learning Resource Center, 1999.

MLA (9th ed.) Citation

University of the Philippines (Los Baños). Learning Resource Center, et al. Workbook for PSI for College Algebra. Learning Resource Center, 1999.