APA (7th ed.) Citation

Abella, J. M., Bartolome, A., Obrien, C., & Olaer, J. Systems analysis on the Philippine National Railroad (PNR).

Chicago Style (17th ed.) Citation

Abella, Janine Marie, Abigail Bartolome, Christine Obrien, and Jennifer Olaer. Systems Analysis on the Philippine National Railroad (PNR).

MLA (9th ed.) Citation

Abella, Janine Marie, et al. Systems Analysis on the Philippine National Railroad (PNR).