APA (7th ed.) Citation

Whittaker, R. J., & Cottee-Jones, H. E. W. The keystone species concept: A critical appraisal. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Whittaker, Robert J., and Henry Eden W. Cottee-Jones. The Keystone Species Concept: A Critical Appraisal. Pensoft Publishers.

MLA (9th ed.) Citation

Whittaker, Robert J., and Henry Eden W. Cottee-Jones. The Keystone Species Concept: A Critical Appraisal. Pensoft Publishers.

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