Cita APA

Heinzel, H., & Hall, B. (2000). Galapagos diary: A complete guide to the archipelago's birdlife. London: Christopher Helm.

Chicago Style Citation

Heinzel, Hermann., and Barnaby Hall. Galapagos Diary: A Complete Guide to the Archipelago's Birdlife. London: Christopher Helm, 2000.

Cita MLA

Heinzel, Hermann., and Barnaby Hall. Galapagos Diary: A Complete Guide to the Archipelago's Birdlife. London: Christopher Helm, 2000.