APA način citiranja (7. izdanje)

Ingal, M. A., Ng, M. A. R., Patacsil, P. C., & Zafico, M. L. (1998). Information systems study on U.P. Health Center. College of Engineering.

Čikaški stil citiranja (17. izdanje)

Ingal, May A., May Antoniette R. Ng, Pearlynne C. Patacsil, i Mikhail L. Zafico. Information Systems Study on U.P. Health Center. Diliman, Quezon City: College of Engineering, 1998.

MLA način citiranja (9. izdanje)

Ingal, May A., et al. Information Systems Study on U.P. Health Center. College of Engineering, 1998.