APA (7th ed.) Citation

Pacheco, E. S. (1983). Six semesters of PSI: A evaluation. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Pacheco, Edgardo S. "Six Semesters of PSI: A Evaluation." Philippine Engineering Journal 1983.

MLA (9th ed.) Citation

Pacheco, Edgardo S. "Six Semesters of PSI: A Evaluation." Philippine Engineering Journal, 1983.

Warning: These citations may not always be 100% accurate.