APA (7th ed.) Citation

Worthington, E. B. (1983). The ecological century: A personal appraisal. Clarendon Pr.

Chicago Style (17th ed.) Citation

Worthington, E. Barton. The Ecological Century: A Personal Appraisal. Oxford: Clarendon Pr, 1983.

MLA (9th ed.) Citation

Worthington, E. Barton. The Ecological Century: A Personal Appraisal. Clarendon Pr, 1983.

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