Cita APA (7a ed.)
Gray, A. (1994). The need for identification services for veterinary pests. CAB International.
Cita Chicago Style (17a ed.)
Gray, A.R. The Need for Identification Services for Veterinary Pests. CAB International, 1994.
Cita MLA (9a ed.)
Gray, A.R. The Need for Identification Services for Veterinary Pests. CAB International, 1994.
Precaución: Estas citas no son 100% exactas.