APA (7th ed.) Citation

De Guzman, G. (2011). Thinking food security. Philippines Free Press.

Chicago Style (17th ed.) Citation

De Guzman, Guiller. "Thinking Food Security." Philippines Free Press 2011.

MLA (9th ed.) Citation

De Guzman, Guiller. "Thinking Food Security." Philippines Free Press, 2011.

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