APA (7th ed.) Citation

Ocampo, F. (1963). The trimestral schoolyear system.

Chicago Style (17th ed.) Citation

Ocampo, Felicisimo. The Trimestral Schoolyear System. 1963.

MLA (9th ed.) Citation

Ocampo, Felicisimo. The Trimestral Schoolyear System. 1963.

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