APA (7th ed.) Citation

de Leon, M. V. (1988). Gems of life / Manuel V. de Leon. Marist School.

Chicago Style (17th ed.) Citation

de Leon, Manuel V. Gems of Life / Manuel V. De Leon. Marikina, Metro Manila: Marist School, 1988.

MLA (9th ed.) Citation

de Leon, Manuel V. Gems of Life / Manuel V. De Leon. Marist School, 1988.