APA (7th ed.) Citation

Gregorio, E. G. (1983). Wave model for coastal structures. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Gregorio, Enrico G. "Wave Model for Coastal Structures." Philippine Engineering Journal 1983.

MLA (9th ed.) Citation

Gregorio, Enrico G. "Wave Model for Coastal Structures." Philippine Engineering Journal, 1983.

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