APA (7th ed.) Citation

Cortez, J. A., De Veyra, E., Hernandez, J., & Vinluan, R. (1991). UP Engineering library system. UP College of Engineering.

Chicago Style (17th ed.) Citation

Cortez, Judith A., Eric De Veyra, Jaime Hernandez, and Randy Vinluan. UP Engineering Library System. Quezon City: UP College of Engineering, 1991.

MLA (9th ed.) Citation

Cortez, Judith A., et al. UP Engineering Library System. UP College of Engineering, 1991.