Cita APA (7th ed.)

Alejandrino, A. A., Coran, S. R., & Castro, P. P. M. (1990). Research needs in flood control: Metro manila and Laguna lake region. Philippine Engineering Journal.

Cita Chicago (17th ed.)

Alejandrino, Angel A., Samuel R. Coran, i Peter Paul M. Castro. "Research Needs in Flood Control: Metro Manila and Laguna Lake Region." Philippine Engineering Journal 1990.

Cita MLA (9th ed.)

Alejandrino, Angel A., et al. "Research Needs in Flood Control: Metro Manila and Laguna Lake Region." Philippine Engineering Journal, 1990.