APA

Phillips R. B., Wiedenfeld D. A. & Snell H. L. (2012). Current status of alien vertebrates in the Galápagos Islands. [S.d.]: Springer.

Chicago

Phillips R Brand, Wiedenfeld David A and Snell Howard L. 2012. Current status of alien vertebrates in the Galápagos Islands. [S.d.]: Springer.

Harvard

Phillips R. B., Wiedenfeld D. A. and Snell H. L. (2012). Current status of alien vertebrates in the Galápagos Islands. [S.d.]: Springer.

MLA

Phillips R Brand, Wiedenfeld David A and Snell Howard L. Current status of alien vertebrates in the Galápagos Islands. [S.d.]: Springer. 2012.