Cita APA

Wilbur, S. R. (1978). The California Condor, 1966-76: A look at its past and future. Washington, D. C.: Unites States Departament of the Interior.

Citación estilo Chicago

Wilbur, Sanford R. The California Condor, 1966-76: A Look At Its Past and Future. Washington, D. C.: Unites States Departament of the Interior, 1978.

Cita MLA

Wilbur, Sanford R. The California Condor, 1966-76: A Look At Its Past and Future. Washington, D. C.: Unites States Departament of the Interior, 1978.