APA (7 ম সংস্করণ) উদ্ধৃতি

National Geographic Society (U.S.). Special Publications Division. (1971). As we live and breathe: The challenge of our environment. [National Geographic Society.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

National Geographic Society (U.S.). Special Publications Division. As We Live and Breathe: The Challenge of Our Environment. Washington: [National Geographic Society, 1971.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

National Geographic Society (U.S.). Special Publications Division. As We Live and Breathe: The Challenge of Our Environment. [National Geographic Society, 1971.