APA (7th ed.) Citation

Eckholm, E. P. (1978). Disappearing species: The social challenge. Worldwatch Institute.

Chicago Style (17th ed.) Citation

Eckholm, Erik P. Disappearing Species: The Social Challenge. [Washington]: Worldwatch Institute, 1978.

MLA (8th ed.) Citation

Eckholm, Erik P. Disappearing Species: The Social Challenge. Worldwatch Institute, 1978.

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