APA (7th ed.) Citation

Gregorio, E. G. Port of Pulupandan: Tide model. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Gregorio, Enrico G. "Port of Pulupandan: Tide Model." Philippine Engineering Journal .

MLA (9th ed.) Citation

Gregorio, Enrico G. "Port of Pulupandan: Tide Model." Philippine Engineering Journal, .

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