Cita APA

Curson, J., Beadle, D., & Quinn, D. (1994). Warblers of the Americas: An identification guide. Boston: Houghton Mifflin.

Citación estilo Chicago

Curson, Jon, David Beadle, y David Quinn. Warblers of the Americas: An Identification Guide. Boston: Houghton Mifflin, 1994.

Cita MLA

Curson, Jon, David Beadle, y David Quinn. Warblers of the Americas: An Identification Guide. Boston: Houghton Mifflin, 1994.