Cita APA (7a ed.)
Erickson, L. (1997). Sharing the wonder of birds with kids. Pfeifer-Hamilton.
Cita Chicago Style (17a ed.)
Erickson, Laura. Sharing the Wonder of Birds with Kids. Duluth, Minn.: Pfeifer-Hamilton, 1997.
Cita MLA (9a ed.)
Erickson, Laura. Sharing the Wonder of Birds with Kids. Pfeifer-Hamilton, 1997.
Precaución: Estas citas no son 100% exactas.