Winkler, H., Christie, D. A., & Nurney, D. (1995). Woodpeckers: A guide to the woodpeckers of the world. Boston: Houghton Miffin.
Citación estilo ChicagoWinkler, Hans, David A. Christie, y David Nurney. Woodpeckers: A Guide to the Woodpeckers of the World. Boston: Houghton Miffin, 1995.
Cita MLAWinkler, Hans, David A. Christie, y David Nurney. Woodpeckers: A Guide to the Woodpeckers of the World. Boston: Houghton Miffin, 1995.
Precaución: Estas citas no son 100% exactas.