APA (7th ed.) Citation

Chee, Y. L. (1987). Humanity must protect nature. Third World Science Movement.

Chicago Style (17th ed.) Citation

Chee, Yoke Ling. Humanity Must Protect Nature. Penang, Malaysia: Third World Science Movement, 1987.

MLA (9th ed.) Citation

Chee, Yoke Ling. Humanity Must Protect Nature. Third World Science Movement, 1987.

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