Citazione Stile APA (7a Edizione)

Isaac, N. B. (1999). The must learn to live with nature. Manila Bulletin.

Citazione stile Chigago Style (17a edizione)

Isaac, Norman B. "The Must Learn to Live with Nature." Manila Bulletin 1999.

Citatione MLA (9a ed.)

Isaac, Norman B. "The Must Learn to Live with Nature." Manila Bulletin, 1999.