APA (7th ed.) Citation

Russell, G. H., Nolan, M. L., & Soare, T. F. The ecology of the Galapagos.

Chicago Style (17th ed.) Citation

Russell, George H., Mary Lee Nolan, and Thomas F. Soare. The Ecology of the Galapagos.

MLA (8th ed.) Citation

Russell, George H., et al. The Ecology of the Galapagos.