APA Citation

Harris, M. (1974). A field guide to the birds of Galapagos. Londres: Collins.

Chicago Style Citation

Harris, Michael. A Field Guide to the Birds of Galapagos. Londres: Collins, 1974.

MLA Citation

Harris, Michael. A Field Guide to the Birds of Galapagos. Londres: Collins, 1974.

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