APA (7th ed.) Citation

Trinidad, P. W. (1953). Water polo and how to play it. Philippine Collegian.

Chicago Style (17th ed.) Citation

Trinidad, Pee Wee. "Water Polo and How to Play It." Philippine Collegian 1953.

MLA (9th ed.) Citation

Trinidad, Pee Wee. "Water Polo and How to Play It." Philippine Collegian, 1953.

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